1219985940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257381}}^1$

素因数の和:257472

約数の個数: 48

約数和(自身を含む): 3459214080

約数和(自身を除く): 2239228140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 257381, 514762, 772143, 1029524, 1286905, 1544286, 2573810, 3088572, 3860715, 5147620, 7721430, 15442860, 20333099, 40666198, 60999297, 81332396, 101665495, 121998594, 203330990, 243997188, 304996485, 406661980, 609992970, 1219985940]

約数ペア:

[(1, 1219985940), (2, 609992970), (3, 406661980), (4, 304996485), (5, 243997188), (6, 203330990), (10, 121998594), (12, 101665495), (15, 81332396), (20, 60999297), (30, 40666198), (60, 20333099), (79, 15442860), (158, 7721430), (237, 5147620), (316, 3860715), (395, 3088572), (474, 2573810), (790, 1544286), (948, 1286905), (1185, 1029524), (1580, 772143), (2370, 514762), (4740, 257381)]