81381090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387529}}^1$

素因数の和:387546

約数の個数: 32

約数和(自身を含む): 223217280

約数和(自身を除く): 141836190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387529, 775058, 1162587, 1937645, 2325174, 2712703, 3875290, 5425406, 5812935, 8138109, 11625870, 13563515, 16276218, 27127030, 40690545, 81381090]

約数ペア:

[(1, 81381090), (2, 40690545), (3, 27127030), (5, 16276218), (6, 13563515), (7, 11625870), (10, 8138109), (14, 5812935), (15, 5425406), (21, 3875290), (30, 2712703), (35, 2325174), (42, 1937645), (70, 1162587), (105, 775058), (210, 387529)]