30262760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 75081600

約数和(自身を除く): 44818840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 631, 872, 1090, 1199, 1262, 2180, 2398, 2524, 3155, 4360, 4796, 5048, 5995, 6310, 6941, 9592, 11990, 12620, 13882, 23980, 25240, 27764, 34705, 47960, 55528, 68779, 69410, 137558, 138820, 275116, 277640, 343895, 550232, 687790, 756569, 1375580, 1513138, 2751160, 3026276, 3782845, 6052552, 7565690, 15131380, 30262760]

約数ペア:

[(1, 30262760), (2, 15131380), (4, 7565690), (5, 6052552), (8, 3782845), (10, 3026276), (11, 2751160), (20, 1513138), (22, 1375580), (40, 756569), (44, 687790), (55, 550232), (88, 343895), (109, 277640), (110, 275116), (218, 138820), (220, 137558), (436, 69410), (440, 68779), (545, 55528), (631, 47960), (872, 34705), (1090, 27764), (1199, 25240), (1262, 23980), (2180, 13882), (2398, 12620), (2524, 11990), (3155, 9592), (4360, 6941), (4796, 6310), (5048, 5995)]