208458480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868577}}^1$

素因数の和:868593

約数の個数: 40

約数和(自身を含む): 646222032

約数和(自身を除く): 437763552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868577, 1737154, 2605731, 3474308, 4342885, 5211462, 6948616, 8685770, 10422924, 13028655, 13897232, 17371540, 20845848, 26057310, 34743080, 41691696, 52114620, 69486160, 104229240, 208458480]

約数ペア:

[(1, 208458480), (2, 104229240), (3, 69486160), (4, 52114620), (5, 41691696), (6, 34743080), (8, 26057310), (10, 20845848), (12, 17371540), (15, 13897232), (16, 13028655), (20, 10422924), (24, 8685770), (30, 6948616), (40, 5211462), (48, 4342885), (60, 3474308), (80, 2605731), (120, 1737154), (240, 868577)]