2512920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 7729920

約数和(自身を除く): 5217000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 487, 516, 645, 860, 974, 1032, 1290, 1461, 1720, 1948, 2435, 2580, 2922, 3896, 4870, 5160, 5844, 7305, 9740, 11688, 14610, 19480, 20941, 29220, 41882, 58440, 62823, 83764, 104705, 125646, 167528, 209410, 251292, 314115, 418820, 502584, 628230, 837640, 1256460, 2512920]

約数ペア:

[(1, 2512920), (2, 1256460), (3, 837640), (4, 628230), (5, 502584), (6, 418820), (8, 314115), (10, 251292), (12, 209410), (15, 167528), (20, 125646), (24, 104705), (30, 83764), (40, 62823), (43, 58440), (60, 41882), (86, 29220), (120, 20941), (129, 19480), (172, 14610), (215, 11688), (258, 9740), (344, 7305), (430, 5844), (487, 5160), (516, 4870), (645, 3896), (860, 2922), (974, 2580), (1032, 2435), (1290, 1948), (1461, 1720)]