31327240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 50787320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2111, 2120, 2968, 3710, 4222, 7420, 8444, 10555, 14777, 14840, 16888, 21110, 29554, 42220, 59108, 73885, 84440, 111883, 118216, 147770, 223766, 295540, 447532, 559415, 591080, 783181, 895064, 1118830, 1566362, 2237660, 3132724, 3915905, 4475320, 6265448, 7831810, 15663620, 31327240]

約数ペア:

[(1, 31327240), (2, 15663620), (4, 7831810), (5, 6265448), (7, 4475320), (8, 3915905), (10, 3132724), (14, 2237660), (20, 1566362), (28, 1118830), (35, 895064), (40, 783181), (53, 591080), (56, 559415), (70, 447532), (106, 295540), (140, 223766), (212, 147770), (265, 118216), (280, 111883), (371, 84440), (424, 73885), (530, 59108), (742, 42220), (1060, 29554), (1484, 21110), (1855, 16888), (2111, 14840), (2120, 14777), (2968, 10555), (3710, 8444), (4222, 7420)]