72107680

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1663}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 171085824

約数和(自身を除く): 98978144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 1663, 2168, 2710, 3326, 4336, 5420, 6652, 8315, 8672, 10840, 13304, 16630, 21680, 26608, 33260, 43360, 53216, 66520, 133040, 266080, 450673, 901346, 1802692, 2253365, 3605384, 4506730, 7210768, 9013460, 14421536, 18026920, 36053840, 72107680]

約数ペア:

[(1, 72107680), (2, 36053840), (4, 18026920), (5, 14421536), (8, 9013460), (10, 7210768), (16, 4506730), (20, 3605384), (32, 2253365), (40, 1802692), (80, 901346), (160, 450673), (271, 266080), (542, 133040), (1084, 66520), (1355, 53216), (1663, 43360), (2168, 33260), (2710, 26608), (3326, 21680), (4336, 16630), (5420, 13304), (6652, 10840), (8315, 8672)]