409919280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4057}}^1$

素因数の和:4494

約数の個数: 80

約数和(自身を含む): 1274082144

約数和(自身を除く): 864162864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1684, 2105, 2526, 3368, 4057, 4210, 5052, 6315, 6736, 8114, 8420, 10104, 12171, 12630, 16228, 16840, 20208, 20285, 24342, 25260, 32456, 33680, 40570, 48684, 50520, 60855, 64912, 81140, 97368, 101040, 121710, 162280, 194736, 243420, 324560, 486840, 973680, 1707997, 3415994, 5123991, 6831988, 8539985, 10247982, 13663976, 17079970, 20495964, 25619955, 27327952, 34159940, 40991928, 51239910, 68319880, 81983856, 102479820, 136639760, 204959640, 409919280]

約数ペア:

[(1, 409919280), (2, 204959640), (3, 136639760), (4, 102479820), (5, 81983856), (6, 68319880), (8, 51239910), (10, 40991928), (12, 34159940), (15, 27327952), (16, 25619955), (20, 20495964), (24, 17079970), (30, 13663976), (40, 10247982), (48, 8539985), (60, 6831988), (80, 5123991), (120, 3415994), (240, 1707997), (421, 973680), (842, 486840), (1263, 324560), (1684, 243420), (2105, 194736), (2526, 162280), (3368, 121710), (4057, 101040), (4210, 97368), (5052, 81140), (6315, 64912), (6736, 60855), (8114, 50520), (8420, 48684), (10104, 40570), (12171, 33680), (12630, 32456), (16228, 25260), (16840, 24342), (20208, 20285)]