20784882720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:505

約数の個数: 576

約数和(自身を含む): 81350801280

約数和(自身を除く): 60565918560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 96, 98, 102, 105, 112, 119, 120, 136, 140, 147, 160, 168, 170, 196, 204, 210, 224, 227, 229, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 454, 458, 476, 480, 490, 510, 544, 560, 588, 595, 672, 680, 681, 687, 714, 735, 784, 816, 833, 840, 908, 916, 952, 980, 1020, 1120, 1135, 1145, 1176, 1190, 1360, 1362, 1374, 1428, 1470, 1568, 1589, 1603, 1632, 1666, 1680, 1785, 1816, 1832, 1904, 1960, 2040, 2270, 2290, 2352, 2380, 2499, 2720, 2724, 2748, 2856, 2940, 3178, 3206, 3332, 3360, 3405, 3435, 3570, 3632, 3664, 3808, 3859, 3893, 3920, 4080, 4165, 4540, 4580, 4704, 4760, 4767, 4809, 4998, 5448, 5496, 5712, 5880, 6356, 6412, 6664, 6810, 6870, 7140, 7264, 7328, 7718, 7786, 7840, 7945, 8015, 8160, 8330, 9080, 9160, 9520, 9534, 9618, 9996, 10896, 10992, 11123, 11221, 11424, 11577, 11679, 11760, 12495, 12712, 12824, 13328, 13620, 13740, 14280, 15436, 15572, 15890, 16030, 16660, 18160, 18320, 19040, 19068, 19236, 19295, 19465, 19992, 21792, 21984, 22246, 22442, 23154, 23358, 23520, 23835, 24045, 24990, 25424, 25648, 26656, 27013, 27240, 27251, 27480, 28560, 30872, 31144, 31780, 32060, 33320, 33369, 33663, 36320, 36640, 38136, 38472, 38590, 38930, 39984, 44492, 44884, 46308, 46716, 47670, 48090, 49980, 50848, 51296, 51983, 54026, 54480, 54502, 54960, 55615, 56105, 57120, 57885, 58395, 61744, 62288, 63560, 64120, 66640, 66738, 67326, 76272, 76944, 77180, 77860, 79968, 81039, 81753, 88984, 89768, 92616, 93432, 95340, 96180, 99960, 103966, 108052, 108960, 109004, 109920, 111230, 112210, 115770, 116790, 123488, 124576, 127120, 128240, 133280, 133476, 134652, 135065, 136255, 152544, 153888, 154360, 155720, 155949, 162078, 163506, 166845, 168315, 177968, 179536, 185232, 186864, 189091, 190680, 190757, 192360, 199920, 207932, 216104, 218008, 222460, 224420, 231540, 233580, 254240, 256480, 259915, 266952, 269304, 270130, 272510, 308720, 311440, 311898, 324156, 327012, 333690, 336630, 355936, 359072, 363881, 370464, 373728, 378182, 381360, 381514, 384720, 399840, 405195, 408765, 415864, 432208, 436016, 444920, 448840, 463080, 467160, 519830, 533904, 538608, 540260, 545020, 567273, 572271, 617440, 622880, 623796, 648312, 654024, 667380, 673260, 727762, 756364, 762720, 763028, 769440, 779745, 810390, 817530, 831728, 864416, 872032, 883711, 889840, 897680, 926160, 934320, 945455, 953785, 1039660, 1067808, 1077216, 1080520, 1090040, 1091643, 1134546, 1144542, 1247592, 1296624, 1308048, 1334760, 1346520, 1455524, 1512728, 1526056, 1559490, 1620780, 1635060, 1663456, 1767422, 1779680, 1795360, 1819405, 1852320, 1868640, 1890910, 1907570, 2079320, 2161040, 2180080, 2183286, 2269092, 2289084, 2495184, 2547167, 2593248, 2616096, 2651133, 2669520, 2693040, 2836365, 2861355, 2911048, 3025456, 3052112, 3118980, 3241560, 3270120, 3534844, 3638810, 3781820, 3815140, 4158640, 4322080, 4360160, 4366572, 4418555, 4538184, 4578168, 4990368, 5094334, 5302266, 5339040, 5386080, 5458215, 5672730, 5722710, 5822096, 6050912, 6104224, 6185977, 6237960, 6483120, 6540240, 7069688, 7277620, 7563640, 7630280, 7641501, 8317280, 8733144, 8837110, 9076368, 9156336, 10188668, 10604532, 10916430, 11345460, 11445420, 11644192, 12371954, 12475920, 12735835, 12966240, 13080480, 13255665, 14139376, 14555240, 15127280, 15260560, 15283002, 17466288, 17674220, 18152736, 18312672, 18557931, 20377336, 21209064, 21832860, 22690920, 22890840, 24743908, 24951840, 25471670, 26511330, 28278752, 29110480, 30254560, 30521120, 30566004, 30929885, 34932576, 35348440, 37115862, 38207505, 40754672, 42418128, 43301839, 43665720, 45381840, 45781680, 49487816, 50943340, 53022660, 58220960, 61132008, 61859770, 70696880, 74231724, 76415010, 81509344, 84836256, 86603678, 87331440, 90763680, 91563360, 92789655, 98975632, 101886680, 106045320, 122264016, 123719540, 129905517, 141393760, 148463448, 152830020, 173207356, 174662880, 185579310, 197951264, 203773360, 212090640, 216509195, 244528032, 247439080, 259811034, 296926896, 305660040, 346414712, 371158620, 407546720, 424181280, 433018390, 494878160, 519622068, 593853792, 611320080, 649527585, 692829424, 742317240, 866036780, 989756320, 1039244136, 1222640160, 1299055170, 1385658848, 1484634480, 1732073560, 2078488272, 2598110340, 2969268960, 3464147120, 4156976544, 5196220680, 6928294240, 10392441360, 20784882720]

約数ペア:

[(1, 20784882720), (2, 10392441360), (3, 6928294240), (4, 5196220680), (5, 4156976544), (6, 3464147120), (7, 2969268960), (8, 2598110340), (10, 2078488272), (12, 1732073560), (14, 1484634480), (15, 1385658848), (16, 1299055170), (17, 1222640160), (20, 1039244136), (21, 989756320), (24, 866036780), (28, 742317240), (30, 692829424), (32, 649527585), (34, 611320080), (35, 593853792), (40, 519622068), (42, 494878160), (48, 433018390), (49, 424181280), (51, 407546720), (56, 371158620), (60, 346414712), (68, 305660040), (70, 296926896), (80, 259811034), (84, 247439080), (85, 244528032), (96, 216509195), (98, 212090640), (102, 203773360), (105, 197951264), (112, 185579310), (119, 174662880), (120, 173207356), (136, 152830020), (140, 148463448), (147, 141393760), (160, 129905517), (168, 123719540), (170, 122264016), (196, 106045320), (204, 101886680), (210, 98975632), (224, 92789655), (227, 91563360), (229, 90763680), (238, 87331440), (240, 86603678), (245, 84836256), (255, 81509344), (272, 76415010), (280, 74231724), (294, 70696880), (336, 61859770), (340, 61132008), (357, 58220960), (392, 53022660), (408, 50943340), (420, 49487816), (454, 45781680), (458, 45381840), (476, 43665720), (480, 43301839), (490, 42418128), (510, 40754672), (544, 38207505), (560, 37115862), (588, 35348440), (595, 34932576), (672, 30929885), (680, 30566004), (681, 30521120), (687, 30254560), (714, 29110480), (735, 28278752), (784, 26511330), (816, 25471670), (833, 24951840), (840, 24743908), (908, 22890840), (916, 22690920), (952, 21832860), (980, 21209064), (1020, 20377336), (1120, 18557931), (1135, 18312672), (1145, 18152736), (1176, 17674220), (1190, 17466288), (1360, 15283002), (1362, 15260560), (1374, 15127280), (1428, 14555240), (1470, 14139376), (1568, 13255665), (1589, 13080480), (1603, 12966240), (1632, 12735835), (1666, 12475920), (1680, 12371954), (1785, 11644192), (1816, 11445420), (1832, 11345460), (1904, 10916430), (1960, 10604532), (2040, 10188668), (2270, 9156336), (2290, 9076368), (2352, 8837110), (2380, 8733144), (2499, 8317280), (2720, 7641501), (2724, 7630280), (2748, 7563640), (2856, 7277620), (2940, 7069688), (3178, 6540240), (3206, 6483120), (3332, 6237960), (3360, 6185977), (3405, 6104224), (3435, 6050912), (3570, 5822096), (3632, 5722710), (3664, 5672730), (3808, 5458215), (3859, 5386080), (3893, 5339040), (3920, 5302266), (4080, 5094334), (4165, 4990368), (4540, 4578168), (4580, 4538184), (4704, 4418555), (4760, 4366572), (4767, 4360160), (4809, 4322080), (4998, 4158640), (5448, 3815140), (5496, 3781820), (5712, 3638810), (5880, 3534844), (6356, 3270120), (6412, 3241560), (6664, 3118980), (6810, 3052112), (6870, 3025456), (7140, 2911048), (7264, 2861355), (7328, 2836365), (7718, 2693040), (7786, 2669520), (7840, 2651133), (7945, 2616096), (8015, 2593248), (8160, 2547167), (8330, 2495184), (9080, 2289084), (9160, 2269092), (9520, 2183286), (9534, 2180080), (9618, 2161040), (9996, 2079320), (10896, 1907570), (10992, 1890910), (11123, 1868640), (11221, 1852320), (11424, 1819405), (11577, 1795360), (11679, 1779680), (11760, 1767422), (12495, 1663456), (12712, 1635060), (12824, 1620780), (13328, 1559490), (13620, 1526056), (13740, 1512728), (14280, 1455524), (15436, 1346520), (15572, 1334760), (15890, 1308048), (16030, 1296624), (16660, 1247592), (18160, 1144542), (18320, 1134546), (19040, 1091643), (19068, 1090040), (19236, 1080520), (19295, 1077216), (19465, 1067808), (19992, 1039660), (21792, 953785), (21984, 945455), (22246, 934320), (22442, 926160), (23154, 897680), (23358, 889840), (23520, 883711), (23835, 872032), (24045, 864416), (24990, 831728), (25424, 817530), (25648, 810390), (26656, 779745), (27013, 769440), (27240, 763028), (27251, 762720), (27480, 756364), (28560, 727762), (30872, 673260), (31144, 667380), (31780, 654024), (32060, 648312), (33320, 623796), (33369, 622880), (33663, 617440), (36320, 572271), (36640, 567273), (38136, 545020), (38472, 540260), (38590, 538608), (38930, 533904), (39984, 519830), (44492, 467160), (44884, 463080), (46308, 448840), (46716, 444920), (47670, 436016), (48090, 432208), (49980, 415864), (50848, 408765), (51296, 405195), (51983, 399840), (54026, 384720), (54480, 381514), (54502, 381360), (54960, 378182), (55615, 373728), (56105, 370464), (57120, 363881), (57885, 359072), (58395, 355936), (61744, 336630), (62288, 333690), (63560, 327012), (64120, 324156), (66640, 311898), (66738, 311440), (67326, 308720), (76272, 272510), (76944, 270130), (77180, 269304), (77860, 266952), (79968, 259915), (81039, 256480), (81753, 254240), (88984, 233580), (89768, 231540), (92616, 224420), (93432, 222460), (95340, 218008), (96180, 216104), (99960, 207932), (103966, 199920), (108052, 192360), (108960, 190757), (109004, 190680), (109920, 189091), (111230, 186864), (112210, 185232), (115770, 179536), (116790, 177968), (123488, 168315), (124576, 166845), (127120, 163506), (128240, 162078), (133280, 155949), (133476, 155720), (134652, 154360), (135065, 153888), (136255, 152544)]