8681222760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:808

約数の個数: 256

約数和(自身を含む): 30240000000

約数和(自身を除く): 21558777240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 149, 168, 210, 278, 280, 298, 417, 420, 447, 499, 556, 596, 695, 745, 834, 840, 894, 973, 998, 1043, 1112, 1192, 1390, 1490, 1497, 1668, 1788, 1946, 1996, 2085, 2086, 2235, 2495, 2780, 2919, 2980, 2994, 3129, 3336, 3493, 3576, 3892, 3992, 4170, 4172, 4470, 4865, 4990, 5215, 5560, 5838, 5960, 5988, 6258, 6986, 7485, 7784, 8340, 8344, 8940, 9730, 9980, 10430, 10479, 11676, 11976, 12516, 13972, 14595, 14970, 15645, 16680, 17465, 17880, 19460, 19960, 20711, 20860, 20958, 23352, 25032, 27944, 29190, 29940, 31290, 34930, 38920, 41422, 41720, 41916, 52395, 58380, 59880, 62133, 62580, 69361, 69860, 74351, 82844, 83832, 103555, 104790, 116760, 124266, 125160, 138722, 139720, 144977, 148702, 165688, 207110, 208083, 209580, 223053, 248532, 277444, 289954, 297404, 310665, 346805, 371755, 414220, 416166, 419160, 434931, 446106, 485527, 497064, 520457, 554888, 579908, 594808, 621330, 693610, 724885, 743510, 828440, 832332, 869862, 892212, 971054, 1040415, 1040914, 1115265, 1159816, 1242660, 1387220, 1449770, 1456581, 1487020, 1561371, 1664664, 1739724, 1784424, 1942108, 2080830, 2081828, 2174655, 2230530, 2427635, 2485320, 2602285, 2774440, 2899540, 2913162, 2974040, 3122742, 3479448, 3884216, 4161660, 4163656, 4349310, 4461060, 4855270, 5204570, 5799080, 5826324, 6245484, 7282905, 7806855, 8323320, 8698620, 8922120, 9710540, 10334789, 10409140, 11652648, 12490968, 14565810, 15613710, 17397240, 19421080, 20669578, 20818280, 29131620, 31004367, 31227420, 41339156, 51673945, 58263240, 62008734, 62454840, 72343523, 82678312, 103347890, 124017468, 144687046, 155021835, 206695780, 217030569, 248034936, 289374092, 310043670, 361717615, 413391560, 434061138, 578748184, 620087340, 723435230, 868122276, 1085152845, 1240174680, 1446870460, 1736244552, 2170305690, 2893740920, 4340611380, 8681222760]

約数ペア:

[(1, 8681222760), (2, 4340611380), (3, 2893740920), (4, 2170305690), (5, 1736244552), (6, 1446870460), (7, 1240174680), (8, 1085152845), (10, 868122276), (12, 723435230), (14, 620087340), (15, 578748184), (20, 434061138), (21, 413391560), (24, 361717615), (28, 310043670), (30, 289374092), (35, 248034936), (40, 217030569), (42, 206695780), (56, 155021835), (60, 144687046), (70, 124017468), (84, 103347890), (105, 82678312), (120, 72343523), (139, 62454840), (140, 62008734), (149, 58263240), (168, 51673945), (210, 41339156), (278, 31227420), (280, 31004367), (298, 29131620), (417, 20818280), (420, 20669578), (447, 19421080), (499, 17397240), (556, 15613710), (596, 14565810), (695, 12490968), (745, 11652648), (834, 10409140), (840, 10334789), (894, 9710540), (973, 8922120), (998, 8698620), (1043, 8323320), (1112, 7806855), (1192, 7282905), (1390, 6245484), (1490, 5826324), (1497, 5799080), (1668, 5204570), (1788, 4855270), (1946, 4461060), (1996, 4349310), (2085, 4163656), (2086, 4161660), (2235, 3884216), (2495, 3479448), (2780, 3122742), (2919, 2974040), (2980, 2913162), (2994, 2899540), (3129, 2774440), (3336, 2602285), (3493, 2485320), (3576, 2427635), (3892, 2230530), (3992, 2174655), (4170, 2081828), (4172, 2080830), (4470, 1942108), (4865, 1784424), (4990, 1739724), (5215, 1664664), (5560, 1561371), (5838, 1487020), (5960, 1456581), (5988, 1449770), (6258, 1387220), (6986, 1242660), (7485, 1159816), (7784, 1115265), (8340, 1040914), (8344, 1040415), (8940, 971054), (9730, 892212), (9980, 869862), (10430, 832332), (10479, 828440), (11676, 743510), (11976, 724885), (12516, 693610), (13972, 621330), (14595, 594808), (14970, 579908), (15645, 554888), (16680, 520457), (17465, 497064), (17880, 485527), (19460, 446106), (19960, 434931), (20711, 419160), (20860, 416166), (20958, 414220), (23352, 371755), (25032, 346805), (27944, 310665), (29190, 297404), (29940, 289954), (31290, 277444), (34930, 248532), (38920, 223053), (41422, 209580), (41720, 208083), (41916, 207110), (52395, 165688), (58380, 148702), (59880, 144977), (62133, 139720), (62580, 138722), (69361, 125160), (69860, 124266), (74351, 116760), (82844, 104790), (83832, 103555)]