12347820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 37761360

約数和(自身を除く): 25413540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 379, 543, 724, 758, 905, 1086, 1137, 1516, 1629, 1810, 1895, 2172, 2274, 2715, 3258, 3411, 3620, 3790, 4548, 5430, 5685, 6516, 6822, 7580, 8145, 10860, 11370, 13644, 16290, 17055, 22740, 32580, 34110, 68220, 68599, 137198, 205797, 274396, 342995, 411594, 617391, 685990, 823188, 1028985, 1234782, 1371980, 2057970, 2469564, 3086955, 4115940, 6173910, 12347820]

約数ペア:

[(1, 12347820), (2, 6173910), (3, 4115940), (4, 3086955), (5, 2469564), (6, 2057970), (9, 1371980), (10, 1234782), (12, 1028985), (15, 823188), (18, 685990), (20, 617391), (30, 411594), (36, 342995), (45, 274396), (60, 205797), (90, 137198), (180, 68599), (181, 68220), (362, 34110), (379, 32580), (543, 22740), (724, 17055), (758, 16290), (905, 13644), (1086, 11370), (1137, 10860), (1516, 8145), (1629, 7580), (1810, 6822), (1895, 6516), (2172, 5685), (2274, 5430), (2715, 4548), (3258, 3790), (3411, 3620)]