30485780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3169}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 70830480

約数和(自身を除く): 40344700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 3169, 4810, 6338, 9620, 12676, 15845, 31690, 41197, 63380, 82394, 117253, 164788, 205985, 234506, 411970, 469012, 586265, 823940, 1172530, 1524289, 2345060, 3048578, 6097156, 7621445, 15242890, 30485780]

約数ペア:

[(1, 30485780), (2, 15242890), (4, 7621445), (5, 6097156), (10, 3048578), (13, 2345060), (20, 1524289), (26, 1172530), (37, 823940), (52, 586265), (65, 469012), (74, 411970), (130, 234506), (148, 205985), (185, 164788), (260, 117253), (370, 82394), (481, 63380), (740, 41197), (962, 31690), (1924, 15845), (2405, 12676), (3169, 9620), (4810, 6338)]