15181180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2213}}^1$

素因数の和:2243

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 22014020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2213, 3430, 4426, 6860, 8852, 11065, 15491, 22130, 30982, 44260, 61964, 77455, 108437, 154910, 216874, 309820, 433748, 542185, 759059, 1084370, 1518118, 2168740, 3036236, 3795295, 7590590, 15181180]

約数ペア:

[(1, 15181180), (2, 7590590), (4, 3795295), (5, 3036236), (7, 2168740), (10, 1518118), (14, 1084370), (20, 759059), (28, 542185), (35, 433748), (49, 309820), (70, 216874), (98, 154910), (140, 108437), (196, 77455), (245, 61964), (343, 44260), (490, 30982), (686, 22130), (980, 15491), (1372, 11065), (1715, 8852), (2213, 6860), (3430, 4426)]