31340970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{727}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 81768960

約数和(自身を除く): 50427990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 479, 727, 958, 1437, 1454, 2181, 2395, 2874, 3635, 4311, 4362, 4790, 6543, 7185, 7270, 8622, 10905, 13086, 14370, 21555, 21810, 32715, 43110, 65430, 348233, 696466, 1044699, 1741165, 2089398, 3134097, 3482330, 5223495, 6268194, 10446990, 15670485, 31340970]

約数ペア:

[(1, 31340970), (2, 15670485), (3, 10446990), (5, 6268194), (6, 5223495), (9, 3482330), (10, 3134097), (15, 2089398), (18, 1741165), (30, 1044699), (45, 696466), (90, 348233), (479, 65430), (727, 43110), (958, 32715), (1437, 21810), (1454, 21555), (2181, 14370), (2395, 13086), (2874, 10905), (3635, 8622), (4311, 7270), (4362, 7185), (4790, 6543)]