31481040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131171}}^1$

素因数の和:131187

約数の個数: 40

約数和(自身を含む): 97591968

約数和(自身を除く): 66110928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131171, 262342, 393513, 524684, 655855, 787026, 1049368, 1311710, 1574052, 1967565, 2098736, 2623420, 3148104, 3935130, 5246840, 6296208, 7870260, 10493680, 15740520, 31481040]

約数ペア:

[(1, 31481040), (2, 15740520), (3, 10493680), (4, 7870260), (5, 6296208), (6, 5246840), (8, 3935130), (10, 3148104), (12, 2623420), (15, 2098736), (16, 1967565), (20, 1574052), (24, 1311710), (30, 1049368), (40, 787026), (48, 655855), (60, 524684), (80, 393513), (120, 262342), (240, 131171)]