315236440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{10781}}^1$

素因数の和:10852

約数の個数: 64

約数和(自身を含む): 768540960

約数和(自身を除く): 453304520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7310, 10781, 14620, 21562, 29240, 43124, 53905, 86248, 107810, 183277, 215620, 366554, 431240, 463583, 733108, 916385, 927166, 1466216, 1832770, 1854332, 2317915, 3665540, 3708664, 4635830, 7331080, 7880911, 9271660, 15761822, 18543320, 31523644, 39404555, 63047288, 78809110, 157618220, 315236440]

約数ペア:

[(1, 315236440), (2, 157618220), (4, 78809110), (5, 63047288), (8, 39404555), (10, 31523644), (17, 18543320), (20, 15761822), (34, 9271660), (40, 7880911), (43, 7331080), (68, 4635830), (85, 3708664), (86, 3665540), (136, 2317915), (170, 1854332), (172, 1832770), (215, 1466216), (340, 927166), (344, 916385), (430, 733108), (680, 463583), (731, 431240), (860, 366554), (1462, 215620), (1720, 183277), (2924, 107810), (3655, 86248), (5848, 53905), (7310, 43124), (10781, 29240), (14620, 21562)]