61649520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{256873}}^1$

素因数の和:256889

約数の個数: 40

約数和(自身を含む): 191114256

約数和(自身を除く): 129464736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 256873, 513746, 770619, 1027492, 1284365, 1541238, 2054984, 2568730, 3082476, 3853095, 4109968, 5137460, 6164952, 7706190, 10274920, 12329904, 15412380, 20549840, 30824760, 61649520]

約数ペア:

[(1, 61649520), (2, 30824760), (3, 20549840), (4, 15412380), (5, 12329904), (6, 10274920), (8, 7706190), (10, 6164952), (12, 5137460), (15, 4109968), (16, 3853095), (20, 3082476), (24, 2568730), (30, 2054984), (40, 1541238), (48, 1284365), (60, 1027492), (80, 770619), (120, 513746), (240, 256873)]