61485720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1637}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 185159520

約数和(自身を除く): 123673800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 626, 939, 1252, 1565, 1637, 1878, 2504, 3130, 3274, 3756, 4695, 4911, 6260, 6548, 7512, 8185, 9390, 9822, 12520, 13096, 16370, 18780, 19644, 24555, 32740, 37560, 39288, 49110, 65480, 98220, 196440, 512381, 1024762, 1537143, 2049524, 2561905, 3074286, 4099048, 5123810, 6148572, 7685715, 10247620, 12297144, 15371430, 20495240, 30742860, 61485720]

約数ペア:

[(1, 61485720), (2, 30742860), (3, 20495240), (4, 15371430), (5, 12297144), (6, 10247620), (8, 7685715), (10, 6148572), (12, 5123810), (15, 4099048), (20, 3074286), (24, 2561905), (30, 2049524), (40, 1537143), (60, 1024762), (120, 512381), (313, 196440), (626, 98220), (939, 65480), (1252, 49110), (1565, 39288), (1637, 37560), (1878, 32740), (2504, 24555), (3130, 19644), (3274, 18780), (3756, 16370), (4695, 13096), (4911, 12520), (6260, 9822), (6548, 9390), (7512, 8185)]