68639280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{285997}}^1$

素因数の和:286013

約数の個数: 40

約数和(自身を含む): 212782512

約数和(自身を除く): 144143232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 285997, 571994, 857991, 1143988, 1429985, 1715982, 2287976, 2859970, 3431964, 4289955, 4575952, 5719940, 6863928, 8579910, 11439880, 13727856, 17159820, 22879760, 34319640, 68639280]

約数ペア:

[(1, 68639280), (2, 34319640), (3, 22879760), (4, 17159820), (5, 13727856), (6, 11439880), (8, 8579910), (10, 6863928), (12, 5719940), (15, 4575952), (16, 4289955), (20, 3431964), (24, 2859970), (30, 2287976), (40, 1715982), (48, 1429985), (60, 1143988), (80, 857991), (120, 571994), (240, 285997)]