81846160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5512

約数の個数: 80

約数和(自身を含む): 219843072

約数和(自身を除く): 137996912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 5471, 7480, 10942, 14960, 21884, 27355, 43768, 54710, 60181, 87536, 93007, 109420, 120362, 186014, 218840, 240724, 300905, 372028, 437680, 465035, 481448, 601810, 744056, 930070, 962896, 1023077, 1203620, 1488112, 1860140, 2046154, 2407240, 3720280, 4092308, 4814480, 5115385, 7440560, 8184616, 10230770, 16369232, 20461540, 40923080, 81846160]

約数ペア:

[(1, 81846160), (2, 40923080), (4, 20461540), (5, 16369232), (8, 10230770), (10, 8184616), (11, 7440560), (16, 5115385), (17, 4814480), (20, 4092308), (22, 3720280), (34, 2407240), (40, 2046154), (44, 1860140), (55, 1488112), (68, 1203620), (80, 1023077), (85, 962896), (88, 930070), (110, 744056), (136, 601810), (170, 481448), (176, 465035), (187, 437680), (220, 372028), (272, 300905), (340, 240724), (374, 218840), (440, 186014), (680, 120362), (748, 109420), (880, 93007), (935, 87536), (1360, 60181), (1496, 54710), (1870, 43768), (2992, 27355), (3740, 21884), (5471, 14960), (7480, 10942)]