6439480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 15732000

約数和(自身を除く): 9292520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 229, 296, 370, 380, 458, 703, 740, 760, 916, 1145, 1406, 1480, 1832, 2290, 2812, 3515, 4351, 4580, 5624, 7030, 8473, 8702, 9160, 14060, 16946, 17404, 21755, 28120, 33892, 34808, 42365, 43510, 67784, 84730, 87020, 160987, 169460, 174040, 321974, 338920, 643948, 804935, 1287896, 1609870, 3219740, 6439480]

約数ペア:

[(1, 6439480), (2, 3219740), (4, 1609870), (5, 1287896), (8, 804935), (10, 643948), (19, 338920), (20, 321974), (37, 174040), (38, 169460), (40, 160987), (74, 87020), (76, 84730), (95, 67784), (148, 43510), (152, 42365), (185, 34808), (190, 33892), (229, 28120), (296, 21755), (370, 17404), (380, 16946), (458, 14060), (703, 9160), (740, 8702), (760, 8473), (916, 7030), (1145, 5624), (1406, 4580), (1480, 4351), (1832, 3515), (2290, 2812)]