1668577620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{84017}}^1$

素因数の和:84360

約数の個数: 48

約数和(自身を含む): 4686187968

約数和(自身を除く): 3017610348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 3310, 3972, 4965, 6620, 9930, 19860, 84017, 168034, 252051, 336068, 420085, 504102, 840170, 1008204, 1260255, 1680340, 2520510, 5041020, 27809627, 55619254, 83428881, 111238508, 139048135, 166857762, 278096270, 333715524, 417144405, 556192540, 834288810, 1668577620]

約数ペア:

[(1, 1668577620), (2, 834288810), (3, 556192540), (4, 417144405), (5, 333715524), (6, 278096270), (10, 166857762), (12, 139048135), (15, 111238508), (20, 83428881), (30, 55619254), (60, 27809627), (331, 5041020), (662, 2520510), (993, 1680340), (1324, 1260255), (1655, 1008204), (1986, 840170), (3310, 504102), (3972, 420085), (4965, 336068), (6620, 252051), (9930, 168034), (19860, 84017)]