31121040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{129671}}^1$

素因数の和:129687

約数の個数: 40

約数和(自身を含む): 96475968

約数和(自身を除く): 65354928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 129671, 259342, 389013, 518684, 648355, 778026, 1037368, 1296710, 1556052, 1945065, 2074736, 2593420, 3112104, 3890130, 5186840, 6224208, 7780260, 10373680, 15560520, 31121040]

約数ペア:

[(1, 31121040), (2, 15560520), (3, 10373680), (4, 7780260), (5, 6224208), (6, 5186840), (8, 3890130), (10, 3112104), (12, 2593420), (15, 2074736), (16, 1945065), (20, 1556052), (24, 1296710), (30, 1037368), (40, 778026), (48, 648355), (60, 518684), (80, 389013), (120, 259342), (240, 129671)]