156679840

素因数分解:

$2^5\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1721}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 371022120

約数和(自身を除く): 214342280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 1138, 1721, 2276, 2845, 3442, 4552, 5690, 6884, 8605, 9104, 11380, 13768, 17210, 18208, 22760, 27536, 34420, 45520, 55072, 68840, 91040, 137680, 275360, 979249, 1958498, 3916996, 4896245, 7833992, 9792490, 15667984, 19584980, 31335968, 39169960, 78339920, 156679840]

約数ペア:

[(1, 156679840), (2, 78339920), (4, 39169960), (5, 31335968), (8, 19584980), (10, 15667984), (16, 9792490), (20, 7833992), (32, 4896245), (40, 3916996), (80, 1958498), (160, 979249), (569, 275360), (1138, 137680), (1721, 91040), (2276, 68840), (2845, 55072), (3442, 45520), (4552, 34420), (5690, 27536), (6884, 22760), (8605, 18208), (9104, 17210), (11380, 13768)]