90748840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 254741760

約数和(自身を除く): 163992920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 107, 130, 140, 182, 214, 233, 260, 280, 364, 428, 455, 466, 520, 535, 728, 749, 856, 910, 932, 1070, 1165, 1391, 1498, 1631, 1820, 1864, 2140, 2330, 2782, 2996, 3029, 3262, 3640, 3745, 4280, 4660, 5564, 5992, 6058, 6524, 6955, 7490, 8155, 9320, 9737, 11128, 12116, 13048, 13910, 14980, 15145, 16310, 19474, 21203, 24232, 24931, 27820, 29960, 30290, 32620, 38948, 42406, 48685, 49862, 55640, 60580, 65240, 77896, 84812, 97370, 99724, 106015, 121160, 124655, 169624, 174517, 194740, 199448, 212030, 249310, 324103, 349034, 389480, 424060, 498620, 648206, 698068, 848120, 872585, 997240, 1296412, 1396136, 1620515, 1745170, 2268721, 2592824, 3241030, 3490340, 4537442, 6482060, 6980680, 9074884, 11343605, 12964120, 18149768, 22687210, 45374420, 90748840]

約数ペア:

[(1, 90748840), (2, 45374420), (4, 22687210), (5, 18149768), (7, 12964120), (8, 11343605), (10, 9074884), (13, 6980680), (14, 6482060), (20, 4537442), (26, 3490340), (28, 3241030), (35, 2592824), (40, 2268721), (52, 1745170), (56, 1620515), (65, 1396136), (70, 1296412), (91, 997240), (104, 872585), (107, 848120), (130, 698068), (140, 648206), (182, 498620), (214, 424060), (233, 389480), (260, 349034), (280, 324103), (364, 249310), (428, 212030), (455, 199448), (466, 194740), (520, 174517), (535, 169624), (728, 124655), (749, 121160), (856, 106015), (910, 99724), (932, 97370), (1070, 84812), (1165, 77896), (1391, 65240), (1498, 60580), (1631, 55640), (1820, 49862), (1864, 48685), (2140, 42406), (2330, 38948), (2782, 32620), (2996, 30290), (3029, 29960), (3262, 27820), (3640, 24931), (3745, 24232), (4280, 21203), (4660, 19474), (5564, 16310), (5992, 15145), (6058, 14980), (6524, 13910), (6955, 13048), (7490, 12116), (8155, 11128), (9320, 9737)]