12942090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{20543}}^1$

素因数の和:20563

約数の個数: 48

約数和(自身を含む): 38458368

約数和(自身を除く): 25516278

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 20543, 41086, 61629, 102715, 123258, 143801, 184887, 205430, 287602, 308145, 369774, 431403, 616290, 719005, 862806, 924435, 1294209, 1438010, 1848870, 2157015, 2588418, 4314030, 6471045, 12942090]

約数ペア:

[(1, 12942090), (2, 6471045), (3, 4314030), (5, 2588418), (6, 2157015), (7, 1848870), (9, 1438010), (10, 1294209), (14, 924435), (15, 862806), (18, 719005), (21, 616290), (30, 431403), (35, 369774), (42, 308145), (45, 287602), (63, 205430), (70, 184887), (90, 143801), (105, 123258), (126, 102715), (210, 61629), (315, 41086), (630, 20543)]