31310760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20071}}^1$

素因数の和:20098

約数の個数: 64

約数和(自身を含む): 101162880

約数和(自身を除く): 69852120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20071, 40142, 60213, 80284, 100355, 120426, 160568, 200710, 240852, 260923, 301065, 401420, 481704, 521846, 602130, 782769, 802840, 1043692, 1204260, 1304615, 1565538, 2087384, 2408520, 2609230, 3131076, 3913845, 5218460, 6262152, 7827690, 10436920, 15655380, 31310760]

約数ペア:

[(1, 31310760), (2, 15655380), (3, 10436920), (4, 7827690), (5, 6262152), (6, 5218460), (8, 3913845), (10, 3131076), (12, 2609230), (13, 2408520), (15, 2087384), (20, 1565538), (24, 1304615), (26, 1204260), (30, 1043692), (39, 802840), (40, 782769), (52, 602130), (60, 521846), (65, 481704), (78, 401420), (104, 301065), (120, 260923), (130, 240852), (156, 200710), (195, 160568), (260, 120426), (312, 100355), (390, 80284), (520, 60213), (780, 40142), (1560, 20071)]