639436920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5328641}}^1$

素因数の和:5328655

約数の個数: 32

約数和(自身を含む): 1918311120

約数和(自身を除く): 1278874200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5328641, 10657282, 15985923, 21314564, 26643205, 31971846, 42629128, 53286410, 63943692, 79929615, 106572820, 127887384, 159859230, 213145640, 319718460, 639436920]

約数ペア:

[(1, 639436920), (2, 319718460), (3, 213145640), (4, 159859230), (5, 127887384), (6, 106572820), (8, 79929615), (10, 63943692), (12, 53286410), (15, 42629128), (20, 31971846), (24, 26643205), (30, 21314564), (40, 15985923), (60, 10657282), (120, 5328641)]