81237990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{93377}}^1$

素因数の和:93416

約数の個数: 32

約数和(自身を含む): 201696480

約数和(自身を除く): 120458490

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 93377, 186754, 280131, 466885, 560262, 933770, 1400655, 2707933, 2801310, 5415866, 8123799, 13539665, 16247598, 27079330, 40618995, 81237990]

約数ペア:

[(1, 81237990), (2, 40618995), (3, 27079330), (5, 16247598), (6, 13539665), (10, 8123799), (15, 5415866), (29, 2801310), (30, 2707933), (58, 1400655), (87, 933770), (145, 560262), (174, 466885), (290, 280131), (435, 186754), (870, 93377)]