72790960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 186050592

約数和(自身を除く): 113259632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 440, 457, 724, 880, 905, 914, 1448, 1810, 1828, 1991, 2285, 2896, 3620, 3656, 3982, 4570, 5027, 7240, 7312, 7964, 9140, 9955, 10054, 14480, 15928, 18280, 19910, 20108, 25135, 31856, 36560, 39820, 40216, 50270, 79640, 80432, 82717, 100540, 159280, 165434, 201080, 330868, 402160, 413585, 661736, 827170, 909887, 1323472, 1654340, 1819774, 3308680, 3639548, 4549435, 6617360, 7279096, 9098870, 14558192, 18197740, 36395480, 72790960]

約数ペア:

[(1, 72790960), (2, 36395480), (4, 18197740), (5, 14558192), (8, 9098870), (10, 7279096), (11, 6617360), (16, 4549435), (20, 3639548), (22, 3308680), (40, 1819774), (44, 1654340), (55, 1323472), (80, 909887), (88, 827170), (110, 661736), (176, 413585), (181, 402160), (220, 330868), (362, 201080), (440, 165434), (457, 159280), (724, 100540), (880, 82717), (905, 80432), (914, 79640), (1448, 50270), (1810, 40216), (1828, 39820), (1991, 36560), (2285, 31856), (2896, 25135), (3620, 20108), (3656, 19910), (3982, 18280), (4570, 15928), (5027, 14480), (7240, 10054), (7312, 9955), (7964, 9140)]