261807680

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3019}}^1$

素因数の和:3307

約数の個数: 56

約数和(自身を含む): 625937280

約数和(自身を除く): 364129600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1084, 1355, 2168, 2710, 3019, 4336, 5420, 6038, 8672, 10840, 12076, 15095, 17344, 21680, 24152, 30190, 43360, 48304, 60380, 86720, 96608, 120760, 193216, 241520, 483040, 818149, 966080, 1636298, 3272596, 4090745, 6545192, 8181490, 13090384, 16362980, 26180768, 32725960, 52361536, 65451920, 130903840, 261807680]

約数ペア:

[(1, 261807680), (2, 130903840), (4, 65451920), (5, 52361536), (8, 32725960), (10, 26180768), (16, 16362980), (20, 13090384), (32, 8181490), (40, 6545192), (64, 4090745), (80, 3272596), (160, 1636298), (271, 966080), (320, 818149), (542, 483040), (1084, 241520), (1355, 193216), (2168, 120760), (2710, 96608), (3019, 86720), (4336, 60380), (5420, 48304), (6038, 43360), (8672, 30190), (10840, 24152), (12076, 21680), (15095, 17344)]