72807560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:3966

約数の個数: 64

約数和(自身を含む): 190062720

約数和(自身を除く): 117255160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 3881, 4690, 7762, 9380, 15524, 18760, 19405, 27167, 31048, 38810, 54334, 77620, 108668, 135835, 155240, 217336, 260027, 271670, 520054, 543340, 1040108, 1086680, 1300135, 1820189, 2080216, 2600270, 3640378, 5200540, 7280756, 9100945, 10401080, 14561512, 18201890, 36403780, 72807560]

約数ペア:

[(1, 72807560), (2, 36403780), (4, 18201890), (5, 14561512), (7, 10401080), (8, 9100945), (10, 7280756), (14, 5200540), (20, 3640378), (28, 2600270), (35, 2080216), (40, 1820189), (56, 1300135), (67, 1086680), (70, 1040108), (134, 543340), (140, 520054), (268, 271670), (280, 260027), (335, 217336), (469, 155240), (536, 135835), (670, 108668), (938, 77620), (1340, 54334), (1876, 38810), (2345, 31048), (2680, 27167), (3752, 19405), (3881, 18760), (4690, 15524), (7762, 9380)]