81370470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12163}}^1$

素因数の和:12396

約数の個数: 32

約数和(自身を含む): 196180992

約数和(自身を除く): 114810522

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3345, 6690, 12163, 24326, 36489, 60815, 72978, 121630, 182445, 364890, 2712349, 5424698, 8137047, 13561745, 16274094, 27123490, 40685235, 81370470]

約数ペア:

[(1, 81370470), (2, 40685235), (3, 27123490), (5, 16274094), (6, 13561745), (10, 8137047), (15, 5424698), (30, 2712349), (223, 364890), (446, 182445), (669, 121630), (1115, 72978), (1338, 60815), (2230, 36489), (3345, 24326), (6690, 12163)]