64987160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7487}}^1$

素因数の和:7536

約数の個数: 64

約数和(自身を含む): 172523520

約数和(自身を除く): 107536360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 7487, 8680, 14974, 29948, 37435, 52409, 59896, 74870, 104818, 149740, 209636, 232097, 262045, 299480, 419272, 464194, 524090, 928388, 1048180, 1160485, 1624679, 1856776, 2096360, 2320970, 3249358, 4641940, 6498716, 8123395, 9283880, 12997432, 16246790, 32493580, 64987160]

約数ペア:

[(1, 64987160), (2, 32493580), (4, 16246790), (5, 12997432), (7, 9283880), (8, 8123395), (10, 6498716), (14, 4641940), (20, 3249358), (28, 2320970), (31, 2096360), (35, 1856776), (40, 1624679), (56, 1160485), (62, 1048180), (70, 928388), (124, 524090), (140, 464194), (155, 419272), (217, 299480), (248, 262045), (280, 232097), (310, 209636), (434, 149740), (620, 104818), (868, 74870), (1085, 59896), (1240, 52409), (1736, 37435), (2170, 29948), (4340, 14974), (7487, 8680)]