72871840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23971}}^1$

素因数の和:24005

約数の個数: 48

約数和(自身を含む): 181228320

約数和(自身を除く): 108356480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 23971, 47942, 95884, 119855, 191768, 239710, 383536, 455449, 479420, 767072, 910898, 958840, 1821796, 1917680, 2277245, 3643592, 3835360, 4554490, 7287184, 9108980, 14574368, 18217960, 36435920, 72871840]

約数ペア:

[(1, 72871840), (2, 36435920), (4, 18217960), (5, 14574368), (8, 9108980), (10, 7287184), (16, 4554490), (19, 3835360), (20, 3643592), (32, 2277245), (38, 1917680), (40, 1821796), (76, 958840), (80, 910898), (95, 767072), (152, 479420), (160, 455449), (190, 383536), (304, 239710), (380, 191768), (608, 119855), (760, 95884), (1520, 47942), (3040, 23971)]