138941520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{578923}}^1$

素因数の和:578939

約数の個数: 40

約数和(自身を含む): 430719456

約数和(自身を除く): 291777936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 578923, 1157846, 1736769, 2315692, 2894615, 3473538, 4631384, 5789230, 6947076, 8683845, 9262768, 11578460, 13894152, 17367690, 23156920, 27788304, 34735380, 46313840, 69470760, 138941520]

約数ペア:

[(1, 138941520), (2, 69470760), (3, 46313840), (4, 34735380), (5, 27788304), (6, 23156920), (8, 17367690), (10, 13894152), (12, 11578460), (15, 9262768), (16, 8683845), (20, 6947076), (24, 5789230), (30, 4631384), (40, 3473538), (48, 2894615), (60, 2315692), (80, 1736769), (120, 1157846), (240, 578923)]