140991760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 409473792

約数和(自身を除く): 268482032

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 107, 112, 130, 140, 181, 182, 208, 214, 260, 280, 362, 364, 428, 455, 520, 535, 560, 724, 728, 749, 856, 905, 910, 1040, 1070, 1267, 1391, 1448, 1456, 1498, 1712, 1810, 1820, 2140, 2353, 2534, 2782, 2896, 2996, 3620, 3640, 3745, 4280, 4706, 5068, 5564, 5992, 6335, 6955, 7240, 7280, 7490, 8560, 9412, 9737, 10136, 11128, 11765, 11984, 12670, 13910, 14480, 14980, 16471, 18824, 19367, 19474, 20272, 22256, 23530, 25340, 27820, 29960, 32942, 37648, 38734, 38948, 47060, 48685, 50680, 55640, 59920, 65884, 77468, 77896, 82355, 94120, 96835, 97370, 101360, 111280, 131768, 135569, 154936, 155792, 164710, 188240, 193670, 194740, 251771, 263536, 271138, 309872, 329420, 387340, 389480, 503542, 542276, 658840, 677845, 774680, 778960, 1007084, 1084552, 1258855, 1317680, 1355690, 1549360, 1762397, 2014168, 2169104, 2517710, 2711380, 3524794, 4028336, 5035420, 5422760, 7049588, 8811985, 10070840, 10845520, 14099176, 17623970, 20141680, 28198352, 35247940, 70495880, 140991760]

約数ペア:

[(1, 140991760), (2, 70495880), (4, 35247940), (5, 28198352), (7, 20141680), (8, 17623970), (10, 14099176), (13, 10845520), (14, 10070840), (16, 8811985), (20, 7049588), (26, 5422760), (28, 5035420), (35, 4028336), (40, 3524794), (52, 2711380), (56, 2517710), (65, 2169104), (70, 2014168), (80, 1762397), (91, 1549360), (104, 1355690), (107, 1317680), (112, 1258855), (130, 1084552), (140, 1007084), (181, 778960), (182, 774680), (208, 677845), (214, 658840), (260, 542276), (280, 503542), (362, 389480), (364, 387340), (428, 329420), (455, 309872), (520, 271138), (535, 263536), (560, 251771), (724, 194740), (728, 193670), (749, 188240), (856, 164710), (905, 155792), (910, 154936), (1040, 135569), (1070, 131768), (1267, 111280), (1391, 101360), (1448, 97370), (1456, 96835), (1498, 94120), (1712, 82355), (1810, 77896), (1820, 77468), (2140, 65884), (2353, 59920), (2534, 55640), (2782, 50680), (2896, 48685), (2996, 47060), (3620, 38948), (3640, 38734), (3745, 37648), (4280, 32942), (4706, 29960), (5068, 27820), (5564, 25340), (5992, 23530), (6335, 22256), (6955, 20272), (7240, 19474), (7280, 19367), (7490, 18824), (8560, 16471), (9412, 14980), (9737, 14480), (10136, 13910), (11128, 12670), (11765, 11984)]