71580040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1693}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 185391360

約数和(自身を除く): 113811320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 1693, 2114, 3020, 3386, 4228, 5285, 6040, 6772, 8456, 8465, 10570, 11851, 13544, 16930, 21140, 23702, 33860, 42280, 47404, 59255, 67720, 94808, 118510, 237020, 255643, 474040, 511286, 1022572, 1278215, 1789501, 2045144, 2556430, 3579002, 5112860, 7158004, 8947505, 10225720, 14316008, 17895010, 35790020, 71580040]

約数ペア:

[(1, 71580040), (2, 35790020), (4, 17895010), (5, 14316008), (7, 10225720), (8, 8947505), (10, 7158004), (14, 5112860), (20, 3579002), (28, 2556430), (35, 2045144), (40, 1789501), (56, 1278215), (70, 1022572), (140, 511286), (151, 474040), (280, 255643), (302, 237020), (604, 118510), (755, 94808), (1057, 67720), (1208, 59255), (1510, 47404), (1693, 42280), (2114, 33860), (3020, 23702), (3386, 21140), (4228, 16930), (5285, 13544), (6040, 11851), (6772, 10570), (8456, 8465)]