1720280520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 576

約数和(自身を含む): 7075261440

約数和(自身を除く): 5354980920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 31, 35, 36, 38, 40, 42, 45, 56, 57, 60, 61, 62, 63, 70, 72, 76, 84, 90, 93, 95, 105, 114, 120, 122, 124, 126, 133, 140, 152, 155, 168, 171, 180, 183, 186, 190, 210, 217, 228, 244, 248, 252, 266, 279, 280, 285, 305, 310, 315, 342, 360, 361, 366, 372, 380, 399, 420, 427, 434, 456, 465, 488, 504, 532, 549, 558, 570, 589, 610, 620, 630, 651, 665, 684, 722, 732, 744, 760, 798, 840, 854, 855, 868, 915, 930, 1064, 1083, 1085, 1098, 1116, 1140, 1159, 1178, 1197, 1220, 1240, 1260, 1281, 1302, 1330, 1368, 1395, 1444, 1464, 1596, 1708, 1710, 1736, 1767, 1805, 1830, 1860, 1891, 1953, 1995, 2135, 2166, 2170, 2196, 2232, 2280, 2318, 2356, 2394, 2440, 2520, 2527, 2562, 2604, 2660, 2745, 2790, 2888, 2945, 3192, 3249, 3255, 3416, 3420, 3477, 3534, 3610, 3660, 3720, 3782, 3843, 3906, 3990, 4123, 4270, 4332, 4340, 4392, 4636, 4712, 4788, 5054, 5124, 5208, 5301, 5320, 5415, 5490, 5580, 5673, 5795, 5890, 5985, 6405, 6498, 6510, 6840, 6954, 7068, 7220, 7320, 7564, 7581, 7686, 7812, 7980, 8113, 8246, 8540, 8664, 8680, 8835, 9272, 9455, 9576, 9765, 10108, 10248, 10431, 10602, 10830, 10980, 11160, 11191, 11346, 11590, 11780, 11970, 12369, 12635, 12810, 12996, 13020, 13237, 13908, 14136, 14440, 15128, 15162, 15372, 15624, 15960, 16226, 16245, 16492, 17019, 17080, 17385, 17670, 18910, 19215, 19530, 20216, 20615, 20862, 21204, 21660, 21960, 22021, 22382, 22692, 22743, 23180, 23560, 23940, 24339, 24738, 25270, 25620, 25992, 26040, 26474, 26505, 27816, 28365, 30324, 30744, 32452, 32490, 32984, 33573, 34038, 34770, 35340, 35929, 37107, 37820, 37905, 38430, 39060, 39711, 40565, 41230, 41724, 42408, 43320, 44042, 44764, 45384, 45486, 46360, 47880, 48678, 49476, 50540, 51240, 52155, 52948, 53010, 55955, 56730, 60648, 61845, 64904, 64980, 66063, 66185, 67146, 68076, 69540, 70680, 71858, 73017, 74214, 75640, 75810, 76860, 78120, 78337, 79422, 81130, 82460, 83448, 85095, 88084, 89528, 90972, 97356, 98952, 100719, 101080, 104310, 105896, 106020, 107787, 110105, 111910, 113460, 113715, 119133, 121695, 123690, 129960, 132126, 132370, 134292, 136152, 139080, 143716, 146034, 148428, 151620, 153720, 154147, 156674, 158844, 162260, 164920, 167865, 170190, 176168, 179645, 181944, 185535, 194712, 198189, 198555, 201438, 208620, 212040, 215574, 220210, 223820, 226920, 227430, 235011, 238266, 243390, 247380, 251503, 264252, 264740, 268584, 287432, 292068, 296856, 303240, 308294, 313348, 317688, 323361, 324520, 330315, 335730, 340380, 359290, 365085, 371070, 391685, 396378, 397110, 402876, 417240, 431148, 440420, 447640, 454860, 462441, 470022, 476532, 486780, 494760, 503006, 503595, 528504, 529480, 538935, 584136, 595665, 616588, 626696, 646722, 660630, 671460, 680760, 682651, 705033, 718580, 730170, 742140, 754509, 770735, 783370, 792756, 794220, 805752, 862296, 880840, 909720, 924882, 940044, 953064, 973560, 990945, 1006012, 1007190, 1077870, 1175055, 1191330, 1233176, 1257515, 1293444, 1321260, 1342920, 1365302, 1387323, 1410066, 1437160, 1460340, 1484280, 1509018, 1541470, 1566740, 1585512, 1588440, 1616805, 1849764, 1880088, 1981890, 2012024, 2014380, 2047953, 2155740, 2263527, 2312205, 2350110, 2382660, 2515030, 2586888, 2642520, 2730604, 2774646, 2820132, 2920680, 3018036, 3082940, 3133480, 3233610, 3413255, 3525165, 3699528, 3772545, 3963780, 4028760, 4095906, 4311480, 4527054, 4624410, 4700220, 4765320, 4778557, 5030060, 5461208, 5549292, 5640264, 6036072, 6143859, 6165880, 6467220, 6826510, 6936615, 7050330, 7545090, 7927560, 8191812, 9054108, 9248820, 9400440, 9557114, 10060120, 10239765, 11098584, 11317635, 12287718, 12934440, 13653020, 13873230, 14100660, 14335671, 15090180, 16383624, 18108216, 18497640, 19114228, 20479530, 22635270, 23892785, 24575436, 27306040, 27746460, 28201320, 28671342, 30180360, 30719295, 38228456, 40959060, 43007013, 45270540, 47785570, 49150872, 55492920, 57342684, 61438590, 71678355, 81918120, 86014026, 90541080, 95571140, 114685368, 122877180, 143356710, 172028052, 191142280, 215035065, 245754360, 286713420, 344056104, 430070130, 573426840, 860140260, 1720280520]

約数ペア:

[(1, 1720280520), (2, 860140260), (3, 573426840), (4, 430070130), (5, 344056104), (6, 286713420), (7, 245754360), (8, 215035065), (9, 191142280), (10, 172028052), (12, 143356710), (14, 122877180), (15, 114685368), (18, 95571140), (19, 90541080), (20, 86014026), (21, 81918120), (24, 71678355), (28, 61438590), (30, 57342684), (31, 55492920), (35, 49150872), (36, 47785570), (38, 45270540), (40, 43007013), (42, 40959060), (45, 38228456), (56, 30719295), (57, 30180360), (60, 28671342), (61, 28201320), (62, 27746460), (63, 27306040), (70, 24575436), (72, 23892785), (76, 22635270), (84, 20479530), (90, 19114228), (93, 18497640), (95, 18108216), (105, 16383624), (114, 15090180), (120, 14335671), (122, 14100660), (124, 13873230), (126, 13653020), (133, 12934440), (140, 12287718), (152, 11317635), (155, 11098584), (168, 10239765), (171, 10060120), (180, 9557114), (183, 9400440), (186, 9248820), (190, 9054108), (210, 8191812), (217, 7927560), (228, 7545090), (244, 7050330), (248, 6936615), (252, 6826510), (266, 6467220), (279, 6165880), (280, 6143859), (285, 6036072), (305, 5640264), (310, 5549292), (315, 5461208), (342, 5030060), (360, 4778557), (361, 4765320), (366, 4700220), (372, 4624410), (380, 4527054), (399, 4311480), (420, 4095906), (427, 4028760), (434, 3963780), (456, 3772545), (465, 3699528), (488, 3525165), (504, 3413255), (532, 3233610), (549, 3133480), (558, 3082940), (570, 3018036), (589, 2920680), (610, 2820132), (620, 2774646), (630, 2730604), (651, 2642520), (665, 2586888), (684, 2515030), (722, 2382660), (732, 2350110), (744, 2312205), (760, 2263527), (798, 2155740), (840, 2047953), (854, 2014380), (855, 2012024), (868, 1981890), (915, 1880088), (930, 1849764), (1064, 1616805), (1083, 1588440), (1085, 1585512), (1098, 1566740), (1116, 1541470), (1140, 1509018), (1159, 1484280), (1178, 1460340), (1197, 1437160), (1220, 1410066), (1240, 1387323), (1260, 1365302), (1281, 1342920), (1302, 1321260), (1330, 1293444), (1368, 1257515), (1395, 1233176), (1444, 1191330), (1464, 1175055), (1596, 1077870), (1708, 1007190), (1710, 1006012), (1736, 990945), (1767, 973560), (1805, 953064), (1830, 940044), (1860, 924882), (1891, 909720), (1953, 880840), (1995, 862296), (2135, 805752), (2166, 794220), (2170, 792756), (2196, 783370), (2232, 770735), (2280, 754509), (2318, 742140), (2356, 730170), (2394, 718580), (2440, 705033), (2520, 682651), (2527, 680760), (2562, 671460), (2604, 660630), (2660, 646722), (2745, 626696), (2790, 616588), (2888, 595665), (2945, 584136), (3192, 538935), (3249, 529480), (3255, 528504), (3416, 503595), (3420, 503006), (3477, 494760), (3534, 486780), (3610, 476532), (3660, 470022), (3720, 462441), (3782, 454860), (3843, 447640), (3906, 440420), (3990, 431148), (4123, 417240), (4270, 402876), (4332, 397110), (4340, 396378), (4392, 391685), (4636, 371070), (4712, 365085), (4788, 359290), (5054, 340380), (5124, 335730), (5208, 330315), (5301, 324520), (5320, 323361), (5415, 317688), (5490, 313348), (5580, 308294), (5673, 303240), (5795, 296856), (5890, 292068), (5985, 287432), (6405, 268584), (6498, 264740), (6510, 264252), (6840, 251503), (6954, 247380), (7068, 243390), (7220, 238266), (7320, 235011), (7564, 227430), (7581, 226920), (7686, 223820), (7812, 220210), (7980, 215574), (8113, 212040), (8246, 208620), (8540, 201438), (8664, 198555), (8680, 198189), (8835, 194712), (9272, 185535), (9455, 181944), (9576, 179645), (9765, 176168), (10108, 170190), (10248, 167865), (10431, 164920), (10602, 162260), (10830, 158844), (10980, 156674), (11160, 154147), (11191, 153720), (11346, 151620), (11590, 148428), (11780, 146034), (11970, 143716), (12369, 139080), (12635, 136152), (12810, 134292), (12996, 132370), (13020, 132126), (13237, 129960), (13908, 123690), (14136, 121695), (14440, 119133), (15128, 113715), (15162, 113460), (15372, 111910), (15624, 110105), (15960, 107787), (16226, 106020), (16245, 105896), (16492, 104310), (17019, 101080), (17080, 100719), (17385, 98952), (17670, 97356), (18910, 90972), (19215, 89528), (19530, 88084), (20216, 85095), (20615, 83448), (20862, 82460), (21204, 81130), (21660, 79422), (21960, 78337), (22021, 78120), (22382, 76860), (22692, 75810), (22743, 75640), (23180, 74214), (23560, 73017), (23940, 71858), (24339, 70680), (24738, 69540), (25270, 68076), (25620, 67146), (25992, 66185), (26040, 66063), (26474, 64980), (26505, 64904), (27816, 61845), (28365, 60648), (30324, 56730), (30744, 55955), (32452, 53010), (32490, 52948), (32984, 52155), (33573, 51240), (34038, 50540), (34770, 49476), (35340, 48678), (35929, 47880), (37107, 46360), (37820, 45486), (37905, 45384), (38430, 44764), (39060, 44042), (39711, 43320), (40565, 42408), (41230, 41724)]