268392880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4397}}^1$

素因数の和:4526

約数の個数: 80

約数和(自身を含む): 719864640

約数和(自身を除く): 451471760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 4397, 6104, 7630, 8720, 8794, 12208, 15260, 17588, 21985, 30520, 30779, 35176, 43970, 61040, 61558, 70352, 87940, 123116, 153895, 175880, 246232, 307790, 351760, 479273, 492464, 615580, 958546, 1231160, 1917092, 2396365, 2462320, 3354911, 3834184, 4792730, 6709822, 7668368, 9585460, 13419644, 16774555, 19170920, 26839288, 33549110, 38341840, 53678576, 67098220, 134196440, 268392880]

約数ペア:

[(1, 268392880), (2, 134196440), (4, 67098220), (5, 53678576), (7, 38341840), (8, 33549110), (10, 26839288), (14, 19170920), (16, 16774555), (20, 13419644), (28, 9585460), (35, 7668368), (40, 6709822), (56, 4792730), (70, 3834184), (80, 3354911), (109, 2462320), (112, 2396365), (140, 1917092), (218, 1231160), (280, 958546), (436, 615580), (545, 492464), (560, 479273), (763, 351760), (872, 307790), (1090, 246232), (1526, 175880), (1744, 153895), (2180, 123116), (3052, 87940), (3815, 70352), (4360, 61558), (4397, 61040), (6104, 43970), (7630, 35176), (8720, 30779), (8794, 30520), (12208, 21985), (15260, 17588)]