64212680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4327}}^1$

素因数の和:4398

約数の個数: 64

約数和(自身を含む): 168272640

約数和(自身を除く): 104059960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 4327, 7420, 8654, 14840, 17308, 21635, 30289, 34616, 43270, 60578, 86540, 121156, 151445, 173080, 229331, 242312, 302890, 458662, 605780, 917324, 1146655, 1211560, 1605317, 1834648, 2293310, 3210634, 4586620, 6421268, 8026585, 9173240, 12842536, 16053170, 32106340, 64212680]

約数ペア:

[(1, 64212680), (2, 32106340), (4, 16053170), (5, 12842536), (7, 9173240), (8, 8026585), (10, 6421268), (14, 4586620), (20, 3210634), (28, 2293310), (35, 1834648), (40, 1605317), (53, 1211560), (56, 1146655), (70, 917324), (106, 605780), (140, 458662), (212, 302890), (265, 242312), (280, 229331), (371, 173080), (424, 151445), (530, 121156), (742, 86540), (1060, 60578), (1484, 43270), (1855, 34616), (2120, 30289), (2968, 21635), (3710, 17308), (4327, 14840), (7420, 8654)]