81334110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18959}}^1$

素因数の和:18993

約数の個数: 64

約数和(自身を含む): 229340160

約数和(自身を除く): 148006050

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 18959, 37918, 56877, 94795, 113754, 189590, 208549, 246467, 284385, 417098, 492934, 568770, 625647, 739401, 1042745, 1232335, 1251294, 1478802, 2085490, 2464670, 2711137, 3128235, 3697005, 5422274, 6256470, 7394010, 8133411, 13555685, 16266822, 27111370, 40667055, 81334110]

約数ペア:

[(1, 81334110), (2, 40667055), (3, 27111370), (5, 16266822), (6, 13555685), (10, 8133411), (11, 7394010), (13, 6256470), (15, 5422274), (22, 3697005), (26, 3128235), (30, 2711137), (33, 2464670), (39, 2085490), (55, 1478802), (65, 1251294), (66, 1232335), (78, 1042745), (110, 739401), (130, 625647), (143, 568770), (165, 492934), (195, 417098), (286, 284385), (330, 246467), (390, 208549), (429, 189590), (715, 113754), (858, 94795), (1430, 56877), (2145, 37918), (4290, 18959)]