90080720

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2971}}^1$

素因数の和:3363

約数の個数: 40

約数和(自身を含む): 210060960

約数和(自身を除く): 119980240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 2971, 3032, 3790, 5942, 6064, 7580, 11884, 14855, 15160, 23768, 29710, 30320, 47536, 59420, 118840, 237680, 1126009, 2252018, 4504036, 5630045, 9008072, 11260090, 18016144, 22520180, 45040360, 90080720]

約数ペア:

[(1, 90080720), (2, 45040360), (4, 22520180), (5, 18016144), (8, 11260090), (10, 9008072), (16, 5630045), (20, 4504036), (40, 2252018), (80, 1126009), (379, 237680), (758, 118840), (1516, 59420), (1895, 47536), (2971, 30320), (3032, 29710), (3790, 23768), (5942, 15160), (6064, 14855), (7580, 11884)]