28606620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68111}}^1$

素因数の和:68130

約数の個数: 48

約数和(自身を含む): 91542528

約数和(自身を除く): 62935908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68111, 136222, 204333, 272444, 340555, 408666, 476777, 681110, 817332, 953554, 1021665, 1362220, 1430331, 1907108, 2043330, 2383885, 2860662, 4086660, 4767770, 5721324, 7151655, 9535540, 14303310, 28606620]

約数ペア:

[(1, 28606620), (2, 14303310), (3, 9535540), (4, 7151655), (5, 5721324), (6, 4767770), (7, 4086660), (10, 2860662), (12, 2383885), (14, 2043330), (15, 1907108), (20, 1430331), (21, 1362220), (28, 1021665), (30, 953554), (35, 817332), (42, 681110), (60, 476777), (70, 408666), (84, 340555), (105, 272444), (140, 204333), (210, 136222), (420, 68111)]