64144780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1619}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 154586880

約数和(自身を除く): 90442100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1619, 1981, 2830, 3238, 3962, 5660, 6476, 7924, 8095, 9905, 11333, 16190, 19810, 22666, 32380, 39620, 45332, 56665, 113330, 226660, 458177, 916354, 1832708, 2290885, 3207239, 4581770, 6414478, 9163540, 12828956, 16036195, 32072390, 64144780]

約数ペア:

[(1, 64144780), (2, 32072390), (4, 16036195), (5, 12828956), (7, 9163540), (10, 6414478), (14, 4581770), (20, 3207239), (28, 2290885), (35, 1832708), (70, 916354), (140, 458177), (283, 226660), (566, 113330), (1132, 56665), (1415, 45332), (1619, 39620), (1981, 32380), (2830, 22666), (3238, 19810), (3962, 16190), (5660, 11333), (6476, 9905), (7924, 8095)]