72156280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5483}}^1$

素因数の和:5548

約数の個数: 64

約数和(自身を含む): 189527040

約数和(自身を除く): 117370760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 5483, 6580, 10966, 13160, 21932, 27415, 38381, 43864, 54830, 76762, 109660, 153524, 191905, 219320, 257701, 307048, 383810, 515402, 767620, 1030804, 1288505, 1535240, 1803907, 2061608, 2577010, 3607814, 5154020, 7215628, 9019535, 10308040, 14431256, 18039070, 36078140, 72156280]

約数ペア:

[(1, 72156280), (2, 36078140), (4, 18039070), (5, 14431256), (7, 10308040), (8, 9019535), (10, 7215628), (14, 5154020), (20, 3607814), (28, 2577010), (35, 2061608), (40, 1803907), (47, 1535240), (56, 1288505), (70, 1030804), (94, 767620), (140, 515402), (188, 383810), (235, 307048), (280, 257701), (329, 219320), (376, 191905), (470, 153524), (658, 109660), (940, 76762), (1316, 54830), (1645, 43864), (1880, 38381), (2632, 27415), (3290, 21932), (5483, 13160), (6580, 10966)]