31466120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 81734400

約数和(自身を除く): 50268280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1031, 1090, 1526, 2062, 2180, 3052, 3815, 4124, 4360, 5155, 6104, 7217, 7630, 8248, 10310, 14434, 15260, 20620, 28868, 30520, 36085, 41240, 57736, 72170, 112379, 144340, 224758, 288680, 449516, 561895, 786653, 899032, 1123790, 1573306, 2247580, 3146612, 3933265, 4495160, 6293224, 7866530, 15733060, 31466120]

約数ペア:

[(1, 31466120), (2, 15733060), (4, 7866530), (5, 6293224), (7, 4495160), (8, 3933265), (10, 3146612), (14, 2247580), (20, 1573306), (28, 1123790), (35, 899032), (40, 786653), (56, 561895), (70, 449516), (109, 288680), (140, 224758), (218, 144340), (280, 112379), (436, 72170), (545, 57736), (763, 41240), (872, 36085), (1031, 30520), (1090, 28868), (1526, 20620), (2062, 15260), (2180, 14434), (3052, 10310), (3815, 8248), (4124, 7630), (4360, 7217), (5155, 6104)]