131971920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{549883}}^1$

素因数の和:549899

約数の個数: 40

約数和(自身を含む): 409113696

約数和(自身を除く): 277141776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 549883, 1099766, 1649649, 2199532, 2749415, 3299298, 4399064, 5498830, 6598596, 8248245, 8798128, 10997660, 13197192, 16496490, 21995320, 26394384, 32992980, 43990640, 65985960, 131971920]

約数ペア:

[(1, 131971920), (2, 65985960), (3, 43990640), (4, 32992980), (5, 26394384), (6, 21995320), (8, 16496490), (10, 13197192), (12, 10997660), (15, 8798128), (16, 8248245), (20, 6598596), (24, 5498830), (30, 4399064), (40, 3299298), (48, 2749415), (60, 2199532), (80, 1649649), (120, 1099766), (240, 549883)]