30379960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 75650400

約数和(自身を除く): 45270440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1579, 1924, 2405, 3158, 3848, 4810, 6316, 7895, 9620, 12632, 15790, 19240, 20527, 31580, 41054, 58423, 63160, 82108, 102635, 116846, 164216, 205270, 233692, 292115, 410540, 467384, 584230, 759499, 821080, 1168460, 1518998, 2336920, 3037996, 3797495, 6075992, 7594990, 15189980, 30379960]

約数ペア:

[(1, 30379960), (2, 15189980), (4, 7594990), (5, 6075992), (8, 3797495), (10, 3037996), (13, 2336920), (20, 1518998), (26, 1168460), (37, 821080), (40, 759499), (52, 584230), (65, 467384), (74, 410540), (104, 292115), (130, 233692), (148, 205270), (185, 164216), (260, 116846), (296, 102635), (370, 82108), (481, 63160), (520, 58423), (740, 41054), (962, 31580), (1480, 20527), (1579, 19240), (1924, 15790), (2405, 12632), (3158, 9620), (3848, 7895), (4810, 6316)]