816570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 2182752

約数和(自身を除く): 1366182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 211, 215, 258, 387, 422, 430, 633, 645, 774, 1055, 1266, 1290, 1899, 1935, 2110, 3165, 3798, 3870, 6330, 9073, 9495, 18146, 18990, 27219, 45365, 54438, 81657, 90730, 136095, 163314, 272190, 408285, 816570]

約数ペア:

[(1, 816570), (2, 408285), (3, 272190), (5, 163314), (6, 136095), (9, 90730), (10, 81657), (15, 54438), (18, 45365), (30, 27219), (43, 18990), (45, 18146), (86, 9495), (90, 9073), (129, 6330), (211, 3870), (215, 3798), (258, 3165), (387, 2110), (422, 1935), (430, 1899), (633, 1290), (645, 1266), (774, 1055)]