64732960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 158399388

約数和(自身を除く): 93666428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 421, 496, 620, 842, 961, 992, 1240, 1684, 1922, 2105, 2480, 3368, 3844, 4210, 4805, 4960, 6736, 7688, 8420, 9610, 13051, 13472, 15376, 16840, 19220, 26102, 30752, 33680, 38440, 52204, 65255, 67360, 76880, 104408, 130510, 153760, 208816, 261020, 404581, 417632, 522040, 809162, 1044080, 1618324, 2022905, 2088160, 3236648, 4045810, 6473296, 8091620, 12946592, 16183240, 32366480, 64732960]

約数ペア:

[(1, 64732960), (2, 32366480), (4, 16183240), (5, 12946592), (8, 8091620), (10, 6473296), (16, 4045810), (20, 3236648), (31, 2088160), (32, 2022905), (40, 1618324), (62, 1044080), (80, 809162), (124, 522040), (155, 417632), (160, 404581), (248, 261020), (310, 208816), (421, 153760), (496, 130510), (620, 104408), (842, 76880), (961, 67360), (992, 65255), (1240, 52204), (1684, 38440), (1922, 33680), (2105, 30752), (2480, 26102), (3368, 19220), (3844, 16840), (4210, 15376), (4805, 13472), (4960, 13051), (6736, 9610), (7688, 8420)]