68873120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25321}}^1$

素因数の和:25353

約数の個数: 48

約数和(自身を含む): 172290888

約数和(自身を除く): 103417768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 25321, 50642, 101284, 126605, 202568, 253210, 405136, 430457, 506420, 810272, 860914, 1012840, 1721828, 2025680, 2152285, 3443656, 4051360, 4304570, 6887312, 8609140, 13774624, 17218280, 34436560, 68873120]

約数ペア:

[(1, 68873120), (2, 34436560), (4, 17218280), (5, 13774624), (8, 8609140), (10, 6887312), (16, 4304570), (17, 4051360), (20, 3443656), (32, 2152285), (34, 2025680), (40, 1721828), (68, 1012840), (80, 860914), (85, 810272), (136, 506420), (160, 430457), (170, 405136), (272, 253210), (340, 202568), (544, 126605), (680, 101284), (1360, 50642), (2720, 25321)]