320815920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3527}}^1$

素因数の和:3922

約数の個数: 80

約数和(自身を含む): 997436160

約数和(自身を除く): 676620240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 379, 758, 1137, 1516, 1895, 2274, 3032, 3527, 3790, 4548, 5685, 6064, 7054, 7580, 9096, 10581, 11370, 14108, 15160, 17635, 18192, 21162, 22740, 28216, 30320, 35270, 42324, 45480, 52905, 56432, 70540, 84648, 90960, 105810, 141080, 169296, 211620, 282160, 423240, 846480, 1336733, 2673466, 4010199, 5346932, 6683665, 8020398, 10693864, 13367330, 16040796, 20050995, 21387728, 26734660, 32081592, 40101990, 53469320, 64163184, 80203980, 106938640, 160407960, 320815920]

約数ペア:

[(1, 320815920), (2, 160407960), (3, 106938640), (4, 80203980), (5, 64163184), (6, 53469320), (8, 40101990), (10, 32081592), (12, 26734660), (15, 21387728), (16, 20050995), (20, 16040796), (24, 13367330), (30, 10693864), (40, 8020398), (48, 6683665), (60, 5346932), (80, 4010199), (120, 2673466), (240, 1336733), (379, 846480), (758, 423240), (1137, 282160), (1516, 211620), (1895, 169296), (2274, 141080), (3032, 105810), (3527, 90960), (3790, 84648), (4548, 70540), (5685, 56432), (6064, 52905), (7054, 45480), (7580, 42324), (9096, 35270), (10581, 30320), (11370, 28216), (14108, 22740), (15160, 21162), (17635, 18192)]