15663620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 38320128

約数和(自身を除く): 22656508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2111, 3710, 4222, 7420, 8444, 10555, 14777, 21110, 29554, 42220, 59108, 73885, 111883, 147770, 223766, 295540, 447532, 559415, 783181, 1118830, 1566362, 2237660, 3132724, 3915905, 7831810, 15663620]

約数ペア:

[(1, 15663620), (2, 7831810), (4, 3915905), (5, 3132724), (7, 2237660), (10, 1566362), (14, 1118830), (20, 783181), (28, 559415), (35, 447532), (53, 295540), (70, 223766), (106, 147770), (140, 111883), (212, 73885), (265, 59108), (371, 42220), (530, 29554), (742, 21110), (1060, 14777), (1484, 10555), (1855, 8444), (2111, 7420), (3710, 4222)]