666381780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1699}}^1\times {\mathrm{2179}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 2023476000

約数和(自身を除く): 1357094220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1699, 2179, 3398, 4358, 5097, 6537, 6796, 8495, 8716, 10194, 10895, 13074, 15291, 16990, 19611, 20388, 21790, 25485, 26148, 30582, 32685, 33980, 39222, 43580, 50970, 61164, 65370, 76455, 78444, 98055, 101940, 130740, 152910, 196110, 305820, 392220, 3702121, 7404242, 11106363, 14808484, 18510605, 22212726, 33319089, 37021210, 44425452, 55531815, 66638178, 74042420, 111063630, 133276356, 166595445, 222127260, 333190890, 666381780]

約数ペア:

[(1, 666381780), (2, 333190890), (3, 222127260), (4, 166595445), (5, 133276356), (6, 111063630), (9, 74042420), (10, 66638178), (12, 55531815), (15, 44425452), (18, 37021210), (20, 33319089), (30, 22212726), (36, 18510605), (45, 14808484), (60, 11106363), (90, 7404242), (180, 3702121), (1699, 392220), (2179, 305820), (3398, 196110), (4358, 152910), (5097, 130740), (6537, 101940), (6796, 98055), (8495, 78444), (8716, 76455), (10194, 65370), (10895, 61164), (13074, 50970), (15291, 43580), (16990, 39222), (19611, 33980), (20388, 32685), (21790, 30582), (25485, 26148)]