7639980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 21525504

約数和(自身を除く): 13885524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 571, 669, 892, 1115, 1142, 1338, 1713, 2230, 2284, 2676, 2855, 3345, 3426, 4460, 5710, 6690, 6852, 8565, 11420, 13380, 17130, 34260, 127333, 254666, 381999, 509332, 636665, 763998, 1273330, 1527996, 1909995, 2546660, 3819990, 7639980]

約数ペア:

[(1, 7639980), (2, 3819990), (3, 2546660), (4, 1909995), (5, 1527996), (6, 1273330), (10, 763998), (12, 636665), (15, 509332), (20, 381999), (30, 254666), (60, 127333), (223, 34260), (446, 17130), (571, 13380), (669, 11420), (892, 8565), (1115, 6852), (1142, 6690), (1338, 5710), (1713, 4460), (2230, 3426), (2284, 3345), (2676, 2855)]