640700856

素因数分解:

$2^3\times 3^2\times {\mathrm{1873}}^1\times {\mathrm{4751}}^1$

素因数の和:6636

約数の個数: 48

約数和(自身を含む): 1736523360

約数和(自身を除く): 1095822504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1873, 3746, 4751, 5619, 7492, 9502, 11238, 14253, 14984, 16857, 19004, 22476, 28506, 33714, 38008, 42759, 44952, 57012, 67428, 85518, 114024, 134856, 171036, 342072, 8898623, 17797246, 26695869, 35594492, 53391738, 71188984, 80087607, 106783476, 160175214, 213566952, 320350428, 640700856]

約数ペア:

[(1, 640700856), (2, 320350428), (3, 213566952), (4, 160175214), (6, 106783476), (8, 80087607), (9, 71188984), (12, 53391738), (18, 35594492), (24, 26695869), (36, 17797246), (72, 8898623), (1873, 342072), (3746, 171036), (4751, 134856), (5619, 114024), (7492, 85518), (9502, 67428), (11238, 57012), (14253, 44952), (14984, 42759), (16857, 38008), (19004, 33714), (22476, 28506)]