16531980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 29943540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 727, 758, 1137, 1454, 1516, 1895, 2181, 2274, 2908, 3635, 3790, 4362, 4548, 5685, 7270, 7580, 8724, 10905, 11370, 14540, 21810, 22740, 43620, 275533, 551066, 826599, 1102132, 1377665, 1653198, 2755330, 3306396, 4132995, 5510660, 8265990, 16531980]

約数ペア:

[(1, 16531980), (2, 8265990), (3, 5510660), (4, 4132995), (5, 3306396), (6, 2755330), (10, 1653198), (12, 1377665), (15, 1102132), (20, 826599), (30, 551066), (60, 275533), (379, 43620), (727, 22740), (758, 21810), (1137, 14540), (1454, 11370), (1516, 10905), (1895, 8724), (2181, 7580), (2274, 7270), (2908, 5685), (3635, 4548), (3790, 4362)]