71317960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8783}}^1$

素因数の和:8830

約数の個数: 64

約数和(自身を含む): 189734400

約数和(自身を除く): 118416440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 8783, 17566, 35132, 43915, 61481, 70264, 87830, 122962, 175660, 245924, 254707, 307405, 351320, 491848, 509414, 614810, 1018828, 1229620, 1273535, 1782949, 2037656, 2459240, 2547070, 3565898, 5094140, 7131796, 8914745, 10188280, 14263592, 17829490, 35658980, 71317960]

約数ペア:

[(1, 71317960), (2, 35658980), (4, 17829490), (5, 14263592), (7, 10188280), (8, 8914745), (10, 7131796), (14, 5094140), (20, 3565898), (28, 2547070), (29, 2459240), (35, 2037656), (40, 1782949), (56, 1273535), (58, 1229620), (70, 1018828), (116, 614810), (140, 509414), (145, 491848), (203, 351320), (232, 307405), (280, 254707), (290, 245924), (406, 175660), (580, 122962), (812, 87830), (1015, 70264), (1160, 61481), (1624, 43915), (2030, 35132), (4060, 17566), (8120, 8783)]