308533920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{642779}}^1$

素因数の和:642797

約数の個数: 48

約数和(自身を含む): 971883360

約数和(自身を除く): 663349440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 642779, 1285558, 1928337, 2571116, 3213895, 3856674, 5142232, 6427790, 7713348, 9641685, 10284464, 12855580, 15426696, 19283370, 20568928, 25711160, 30853392, 38566740, 51422320, 61706784, 77133480, 102844640, 154266960, 308533920]

約数ペア:

[(1, 308533920), (2, 154266960), (3, 102844640), (4, 77133480), (5, 61706784), (6, 51422320), (8, 38566740), (10, 30853392), (12, 25711160), (15, 20568928), (16, 19283370), (20, 15426696), (24, 12855580), (30, 10284464), (32, 9641685), (40, 7713348), (48, 6427790), (60, 5142232), (80, 3856674), (96, 3213895), (120, 2571116), (160, 1928337), (240, 1285558), (480, 642779)]