30918680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 76991040

約数和(自身を除く): 46072360

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, 1607, 1924, 2405, 3214, 3848, 4810, 6428, 8035, 9620, 12856, 16070, 19240, 20891, 32140, 41782, 59459, 64280, 83564, 104455, 118918, 167128, 208910, 237836, 297295, 417820, 475672, 594590, 772967, 835640, 1189180, 1545934, 2378360, 3091868, 3864835, 6183736, 7729670, 15459340, 30918680]

約数ペア:

[(1, 30918680), (2, 15459340), (4, 7729670), (5, 6183736), (8, 3864835), (10, 3091868), (13, 2378360), (20, 1545934), (26, 1189180), (37, 835640), (40, 772967), (52, 594590), (65, 475672), (74, 417820), (104, 297295), (130, 237836), (148, 208910), (185, 167128), (260, 118918), (296, 104455), (370, 83564), (481, 64280), (520, 59459), (740, 41782), (962, 32140), (1480, 20891), (1607, 19240), (1924, 16070), (2405, 12856), (3214, 9620), (3848, 8035), (4810, 6428)]