20914654320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 720

約数和(自身を含む): 88219666080

約数和(自身を除く): 67305011760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 41, 42, 45, 48, 49, 56, 57, 60, 63, 70, 72, 76, 80, 82, 84, 90, 95, 98, 105, 112, 114, 120, 123, 126, 133, 140, 144, 147, 152, 164, 168, 171, 180, 190, 196, 205, 210, 228, 240, 245, 246, 252, 266, 280, 285, 287, 294, 304, 315, 328, 336, 342, 360, 369, 380, 392, 399, 410, 420, 441, 456, 490, 492, 504, 532, 560, 570, 574, 588, 615, 630, 656, 665, 684, 720, 735, 738, 760, 761, 779, 784, 798, 820, 840, 855, 861, 882, 912, 931, 980, 984, 1008, 1064, 1140, 1148, 1176, 1197, 1230, 1260, 1330, 1368, 1435, 1470, 1476, 1520, 1522, 1558, 1596, 1640, 1680, 1710, 1722, 1764, 1845, 1862, 1960, 1968, 1995, 2009, 2128, 2205, 2280, 2283, 2296, 2337, 2352, 2394, 2460, 2520, 2583, 2660, 2736, 2793, 2870, 2940, 2952, 3044, 3116, 3192, 3280, 3420, 3444, 3528, 3690, 3724, 3805, 3895, 3920, 3990, 4018, 4305, 4410, 4560, 4566, 4592, 4655, 4674, 4788, 4920, 5040, 5166, 5320, 5327, 5453, 5586, 5740, 5880, 5904, 5985, 6027, 6088, 6232, 6384, 6840, 6849, 6888, 7011, 7056, 7380, 7448, 7610, 7790, 7980, 8036, 8379, 8610, 8820, 9132, 9310, 9348, 9576, 9840, 10045, 10332, 10640, 10654, 10906, 11172, 11415, 11480, 11685, 11760, 11970, 12054, 12176, 12464, 12915, 13680, 13698, 13776, 13965, 14022, 14459, 14760, 14896, 15220, 15580, 15960, 15981, 16072, 16359, 16758, 17220, 17640, 18081, 18264, 18620, 18696, 19152, 20090, 20664, 21308, 21812, 22344, 22830, 22960, 23370, 23940, 24108, 25830, 26635, 27265, 27396, 27930, 28044, 28918, 29520, 30135, 30440, 31160, 31201, 31920, 31962, 32144, 32718, 33516, 34245, 34440, 35055, 35280, 36162, 36528, 37240, 37289, 37392, 38171, 40180, 41328, 41895, 42616, 43377, 43624, 44688, 45660, 46740, 47880, 47943, 48216, 49077, 51660, 53270, 54530, 54792, 55860, 56088, 57836, 60270, 60880, 62320, 62402, 63924, 65436, 67032, 68490, 68880, 70110, 72295, 72324, 74480, 74578, 76342, 79905, 80360, 81795, 83790, 85232, 86754, 87248, 90405, 91320, 93480, 93603, 95760, 95886, 96432, 98154, 101213, 103320, 106540, 109060, 109584, 111720, 111867, 112176, 114513, 115672, 120540, 124804, 127848, 130131, 130872, 134064, 136980, 140220, 144590, 144648, 149156, 152684, 156005, 159810, 160720, 163590, 167580, 173508, 180810, 182640, 186445, 186960, 187206, 190855, 191772, 196308, 202426, 206640, 213080, 216885, 218120, 218407, 223440, 223734, 229026, 231344, 239715, 241080, 245385, 249608, 255696, 260262, 261744, 273960, 280440, 280809, 289180, 289296, 298312, 303639, 305368, 312010, 319620, 327180, 335160, 335601, 343539, 347016, 361620, 372890, 374412, 381710, 383544, 392616, 404852, 426160, 433770, 436240, 436814, 447468, 458052, 468015, 479430, 482160, 490770, 499216, 506065, 520524, 547920, 559335, 560880, 561618, 572565, 578360, 592819, 596624, 607278, 610736, 624020, 639240, 650655, 654360, 655221, 670320, 671202, 687078, 694032, 708491, 723240, 745780, 748824, 763420, 767088, 785232, 809704, 867540, 873628, 894936, 910917, 916104, 936030, 958860, 981540, 1012130, 1041048, 1092035, 1118670, 1123236, 1145130, 1156720, 1185638, 1214556, 1248040, 1278480, 1301310, 1308720, 1310442, 1342404, 1374156, 1404045, 1416982, 1446480, 1491560, 1497648, 1518195, 1526840, 1528849, 1619408, 1678005, 1717695, 1735080, 1747256, 1778457, 1789872, 1821834, 1832208, 1872060, 1917720, 1963080, 1965663, 2024260, 2082096, 2125473, 2184070, 2237340, 2246472, 2290260, 2371276, 2429112, 2496080, 2602620, 2620884, 2684808, 2748312, 2808090, 2833964, 2964095, 2983120, 3036390, 3053680, 3057698, 3276105, 3356010, 3435390, 3470160, 3494512, 3542455, 3556914, 3643668, 3744120, 3835440, 3926160, 3931326, 4048520, 4149733, 4250946, 4368140, 4474680, 4492944, 4554585, 4580520, 4586547, 4742552, 4858224, 5205240, 5241768, 5335371, 5369616, 5496624, 5616180, 5667928, 5928190, 6072780, 6115396, 6376419, 6552210, 6712020, 6870780, 7084910, 7113828, 7287336, 7488240, 7644245, 7862652, 8097040, 8299466, 8501892, 8736280, 8892285, 8949360, 9109170, 9161040, 9173094, 9485104, 9828315, 10410480, 10483536, 10627365, 10670742, 11232360, 11335856, 11856380, 12145560, 12230792, 12449199, 12752838, 13104420, 13424040, 13741560, 13759641, 14169820, 14227656, 14574672, 15288490, 15725304, 16598932, 17003784, 17472560, 17784570, 18218340, 18346188, 19656630, 20748665, 21254730, 21341484, 22464720, 22932735, 23712760, 24291120, 24461584, 24898398, 25505676, 26208840, 26676855, 26848080, 27483120, 27519282, 28339640, 28455312, 29048131, 30576980, 31450608, 31882095, 33197864, 34007568, 35569140, 36436680, 36692376, 37347597, 39313260, 41497330, 42509460, 42682968, 45865470, 47425520, 49796796, 51011352, 52417680, 53353710, 55038564, 56679280, 58096262, 61153960, 62245995, 63764190, 66395728, 68798205, 71138280, 72873360, 73384752, 74695194, 78626520, 82994660, 85018920, 85365936, 87144393, 91730940, 99593592, 102022704, 106707420, 110077128, 116192524, 122307920, 124491990, 127528380, 137596410, 142276560, 145240655, 149390388, 157253040, 165989320, 170037840, 174288786, 183461880, 186737985, 199187184, 213414840, 220154256, 232385048, 248983980, 255056760, 261433179, 275192820, 290481310, 298780776, 331978640, 348577572, 366923760, 373475970, 426829680, 435721965, 464770096, 497967960, 510113520, 522866358, 550385640, 580962620, 597561552, 697155144, 746951940, 871443930, 995935920, 1045732716, 1100771280, 1161925240, 1307165895, 1394310288, 1493903880, 1742887860, 2091465432, 2323850480, 2614331790, 2987807760, 3485775720, 4182930864, 5228663580, 6971551440, 10457327160, 20914654320]

約数ペア:

[(1, 20914654320), (2, 10457327160), (3, 6971551440), (4, 5228663580), (5, 4182930864), (6, 3485775720), (7, 2987807760), (8, 2614331790), (9, 2323850480), (10, 2091465432), (12, 1742887860), (14, 1493903880), (15, 1394310288), (16, 1307165895), (18, 1161925240), (19, 1100771280), (20, 1045732716), (21, 995935920), (24, 871443930), (28, 746951940), (30, 697155144), (35, 597561552), (36, 580962620), (38, 550385640), (40, 522866358), (41, 510113520), (42, 497967960), (45, 464770096), (48, 435721965), (49, 426829680), (56, 373475970), (57, 366923760), (60, 348577572), (63, 331978640), (70, 298780776), (72, 290481310), (76, 275192820), (80, 261433179), (82, 255056760), (84, 248983980), (90, 232385048), (95, 220154256), (98, 213414840), (105, 199187184), (112, 186737985), (114, 183461880), (120, 174288786), (123, 170037840), (126, 165989320), (133, 157253040), (140, 149390388), (144, 145240655), (147, 142276560), (152, 137596410), (164, 127528380), (168, 124491990), (171, 122307920), (180, 116192524), (190, 110077128), (196, 106707420), (205, 102022704), (210, 99593592), (228, 91730940), (240, 87144393), (245, 85365936), (246, 85018920), (252, 82994660), (266, 78626520), (280, 74695194), (285, 73384752), (287, 72873360), (294, 71138280), (304, 68798205), (315, 66395728), (328, 63764190), (336, 62245995), (342, 61153960), (360, 58096262), (369, 56679280), (380, 55038564), (392, 53353710), (399, 52417680), (410, 51011352), (420, 49796796), (441, 47425520), (456, 45865470), (490, 42682968), (492, 42509460), (504, 41497330), (532, 39313260), (560, 37347597), (570, 36692376), (574, 36436680), (588, 35569140), (615, 34007568), (630, 33197864), (656, 31882095), (665, 31450608), (684, 30576980), (720, 29048131), (735, 28455312), (738, 28339640), (760, 27519282), (761, 27483120), (779, 26848080), (784, 26676855), (798, 26208840), (820, 25505676), (840, 24898398), (855, 24461584), (861, 24291120), (882, 23712760), (912, 22932735), (931, 22464720), (980, 21341484), (984, 21254730), (1008, 20748665), (1064, 19656630), (1140, 18346188), (1148, 18218340), (1176, 17784570), (1197, 17472560), (1230, 17003784), (1260, 16598932), (1330, 15725304), (1368, 15288490), (1435, 14574672), (1470, 14227656), (1476, 14169820), (1520, 13759641), (1522, 13741560), (1558, 13424040), (1596, 13104420), (1640, 12752838), (1680, 12449199), (1710, 12230792), (1722, 12145560), (1764, 11856380), (1845, 11335856), (1862, 11232360), (1960, 10670742), (1968, 10627365), (1995, 10483536), (2009, 10410480), (2128, 9828315), (2205, 9485104), (2280, 9173094), (2283, 9161040), (2296, 9109170), (2337, 8949360), (2352, 8892285), (2394, 8736280), (2460, 8501892), (2520, 8299466), (2583, 8097040), (2660, 7862652), (2736, 7644245), (2793, 7488240), (2870, 7287336), (2940, 7113828), (2952, 7084910), (3044, 6870780), (3116, 6712020), (3192, 6552210), (3280, 6376419), (3420, 6115396), (3444, 6072780), (3528, 5928190), (3690, 5667928), (3724, 5616180), (3805, 5496624), (3895, 5369616), (3920, 5335371), (3990, 5241768), (4018, 5205240), (4305, 4858224), (4410, 4742552), (4560, 4586547), (4566, 4580520), (4592, 4554585), (4655, 4492944), (4674, 4474680), (4788, 4368140), (4920, 4250946), (5040, 4149733), (5166, 4048520), (5320, 3931326), (5327, 3926160), (5453, 3835440), (5586, 3744120), (5740, 3643668), (5880, 3556914), (5904, 3542455), (5985, 3494512), (6027, 3470160), (6088, 3435390), (6232, 3356010), (6384, 3276105), (6840, 3057698), (6849, 3053680), (6888, 3036390), (7011, 2983120), (7056, 2964095), (7380, 2833964), (7448, 2808090), (7610, 2748312), (7790, 2684808), (7980, 2620884), (8036, 2602620), (8379, 2496080), (8610, 2429112), (8820, 2371276), (9132, 2290260), (9310, 2246472), (9348, 2237340), (9576, 2184070), (9840, 2125473), (10045, 2082096), (10332, 2024260), (10640, 1965663), (10654, 1963080), (10906, 1917720), (11172, 1872060), (11415, 1832208), (11480, 1821834), (11685, 1789872), (11760, 1778457), (11970, 1747256), (12054, 1735080), (12176, 1717695), (12464, 1678005), (12915, 1619408), (13680, 1528849), (13698, 1526840), (13776, 1518195), (13965, 1497648), (14022, 1491560), (14459, 1446480), (14760, 1416982), (14896, 1404045), (15220, 1374156), (15580, 1342404), (15960, 1310442), (15981, 1308720), (16072, 1301310), (16359, 1278480), (16758, 1248040), (17220, 1214556), (17640, 1185638), (18081, 1156720), (18264, 1145130), (18620, 1123236), (18696, 1118670), (19152, 1092035), (20090, 1041048), (20664, 1012130), (21308, 981540), (21812, 958860), (22344, 936030), (22830, 916104), (22960, 910917), (23370, 894936), (23940, 873628), (24108, 867540), (25830, 809704), (26635, 785232), (27265, 767088), (27396, 763420), (27930, 748824), (28044, 745780), (28918, 723240), (29520, 708491), (30135, 694032), (30440, 687078), (31160, 671202), (31201, 670320), (31920, 655221), (31962, 654360), (32144, 650655), (32718, 639240), (33516, 624020), (34245, 610736), (34440, 607278), (35055, 596624), (35280, 592819), (36162, 578360), (36528, 572565), (37240, 561618), (37289, 560880), (37392, 559335), (38171, 547920), (40180, 520524), (41328, 506065), (41895, 499216), (42616, 490770), (43377, 482160), (43624, 479430), (44688, 468015), (45660, 458052), (46740, 447468), (47880, 436814), (47943, 436240), (48216, 433770), (49077, 426160), (51660, 404852), (53270, 392616), (54530, 383544), (54792, 381710), (55860, 374412), (56088, 372890), (57836, 361620), (60270, 347016), (60880, 343539), (62320, 335601), (62402, 335160), (63924, 327180), (65436, 319620), (67032, 312010), (68490, 305368), (68880, 303639), (70110, 298312), (72295, 289296), (72324, 289180), (74480, 280809), (74578, 280440), (76342, 273960), (79905, 261744), (80360, 260262), (81795, 255696), (83790, 249608), (85232, 245385), (86754, 241080), (87248, 239715), (90405, 231344), (91320, 229026), (93480, 223734), (93603, 223440), (95760, 218407), (95886, 218120), (96432, 216885), (98154, 213080), (101213, 206640), (103320, 202426), (106540, 196308), (109060, 191772), (109584, 190855), (111720, 187206), (111867, 186960), (112176, 186445), (114513, 182640), (115672, 180810), (120540, 173508), (124804, 167580), (127848, 163590), (130131, 160720), (130872, 159810), (134064, 156005), (136980, 152684), (140220, 149156), (144590, 144648)]