15512720

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 36277440

約数和(自身を除く): 20764720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 919, 1055, 1688, 1838, 2110, 3376, 3676, 4220, 4595, 7352, 8440, 9190, 14704, 16880, 18380, 36760, 73520, 193909, 387818, 775636, 969545, 1551272, 1939090, 3102544, 3878180, 7756360, 15512720]

約数ペア:

[(1, 15512720), (2, 7756360), (4, 3878180), (5, 3102544), (8, 1939090), (10, 1551272), (16, 969545), (20, 775636), (40, 387818), (80, 193909), (211, 73520), (422, 36760), (844, 18380), (919, 16880), (1055, 14704), (1688, 9190), (1838, 8440), (2110, 7352), (3376, 4595), (3676, 4220)]