261567120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1089863}}^1$

素因数の和:1089879

約数の個数: 40

約数和(自身を含む): 810858816

約数和(自身を除く): 549291696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1089863, 2179726, 3269589, 4359452, 5449315, 6539178, 8718904, 10898630, 13078356, 16347945, 17437808, 21797260, 26156712, 32695890, 43594520, 52313424, 65391780, 87189040, 130783560, 261567120]

約数ペア:

[(1, 261567120), (2, 130783560), (3, 87189040), (4, 65391780), (5, 52313424), (6, 43594520), (8, 32695890), (10, 26156712), (12, 21797260), (15, 17437808), (16, 16347945), (20, 13078356), (24, 10898630), (30, 8718904), (40, 6539178), (48, 5449315), (60, 4359452), (80, 3269589), (120, 2179726), (240, 1089863)]