213025140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131497}}^1$

素因数の和:131518

約数の個数: 60

約数和(自身を含む): 668272836

約数和(自身を除く): 455247696

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 131497, 262994, 394491, 525988, 657485, 788982, 1183473, 1314970, 1577964, 1972455, 2366946, 2629940, 3550419, 3944910, 4733892, 5917365, 7100838, 7889820, 10651257, 11834730, 14201676, 17752095, 21302514, 23669460, 35504190, 42605028, 53256285, 71008380, 106512570, 213025140]

約数ペア:

[(1, 213025140), (2, 106512570), (3, 71008380), (4, 53256285), (5, 42605028), (6, 35504190), (9, 23669460), (10, 21302514), (12, 17752095), (15, 14201676), (18, 11834730), (20, 10651257), (27, 7889820), (30, 7100838), (36, 5917365), (45, 4733892), (54, 3944910), (60, 3550419), (81, 2629940), (90, 2366946), (108, 1972455), (135, 1577964), (162, 1314970), (180, 1183473), (270, 788982), (324, 657485), (405, 525988), (540, 394491), (810, 262994), (1620, 131497)]