64195440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{267481}}^1$

素因数の和:267497

約数の個数: 40

約数和(自身を含む): 199006608

約数和(自身を除く): 134811168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 267481, 534962, 802443, 1069924, 1337405, 1604886, 2139848, 2674810, 3209772, 4012215, 4279696, 5349620, 6419544, 8024430, 10699240, 12839088, 16048860, 21398480, 32097720, 64195440]

約数ペア:

[(1, 64195440), (2, 32097720), (3, 21398480), (4, 16048860), (5, 12839088), (6, 10699240), (8, 8024430), (10, 6419544), (12, 5349620), (15, 4279696), (16, 4012215), (20, 3209772), (24, 2674810), (30, 2139848), (40, 1604886), (48, 1337405), (60, 1069924), (80, 802443), (120, 534962), (240, 267481)]