81190830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3547}}^1$

素因数の和:3673

約数の個数: 64

約数和(自身を含む): 224801280

約数和(自身を除く): 143610450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 1090, 1526, 1635, 2289, 3270, 3547, 3815, 4578, 7094, 7630, 10641, 11445, 17735, 21282, 22890, 24829, 35470, 49658, 53205, 74487, 106410, 124145, 148974, 248290, 372435, 386623, 744870, 773246, 1159869, 1933115, 2319738, 2706361, 3866230, 5412722, 5799345, 8119083, 11598690, 13531805, 16238166, 27063610, 40595415, 81190830]

約数ペア:

[(1, 81190830), (2, 40595415), (3, 27063610), (5, 16238166), (6, 13531805), (7, 11598690), (10, 8119083), (14, 5799345), (15, 5412722), (21, 3866230), (30, 2706361), (35, 2319738), (42, 1933115), (70, 1159869), (105, 773246), (109, 744870), (210, 386623), (218, 372435), (327, 248290), (545, 148974), (654, 124145), (763, 106410), (1090, 74487), (1526, 53205), (1635, 49658), (2289, 35470), (3270, 24829), (3547, 22890), (3815, 21282), (4578, 17735), (7094, 11445), (7630, 10641)]