65918640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{274661}}^1$

素因数の和:274677

約数の個数: 40

約数和(自身を含む): 204348528

約数和(自身を除く): 138429888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 274661, 549322, 823983, 1098644, 1373305, 1647966, 2197288, 2746610, 3295932, 4119915, 4394576, 5493220, 6591864, 8239830, 10986440, 13183728, 16479660, 21972880, 32959320, 65918640]

約数ペア:

[(1, 65918640), (2, 32959320), (3, 21972880), (4, 16479660), (5, 13183728), (6, 10986440), (8, 8239830), (10, 6591864), (12, 5493220), (15, 4394576), (16, 4119915), (20, 3295932), (24, 2746610), (30, 2197288), (40, 1647966), (48, 1373305), (60, 1098644), (80, 823983), (120, 549322), (240, 274661)]