31345960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 77137920

約数和(自身を除く): 45791960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 1487, 2108, 2635, 2974, 4216, 5270, 5948, 7435, 10540, 11896, 14870, 21080, 25279, 29740, 46097, 50558, 59480, 92194, 101116, 126395, 184388, 202232, 230485, 252790, 368776, 460970, 505580, 783649, 921940, 1011160, 1567298, 1843880, 3134596, 3918245, 6269192, 7836490, 15672980, 31345960]

約数ペア:

[(1, 31345960), (2, 15672980), (4, 7836490), (5, 6269192), (8, 3918245), (10, 3134596), (17, 1843880), (20, 1567298), (31, 1011160), (34, 921940), (40, 783649), (62, 505580), (68, 460970), (85, 368776), (124, 252790), (136, 230485), (155, 202232), (170, 184388), (248, 126395), (310, 101116), (340, 92194), (527, 59480), (620, 50558), (680, 46097), (1054, 29740), (1240, 25279), (1487, 21080), (2108, 14870), (2635, 11896), (2974, 10540), (4216, 7435), (5270, 5948)]