8613640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30763}}^1$

素因数の和:30781

約数の個数: 32

約数和(自身を含む): 22150080

約数和(自身を除く): 13536440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30763, 61526, 123052, 153815, 215341, 246104, 307630, 430682, 615260, 861364, 1076705, 1230520, 1722728, 2153410, 4306820, 8613640]

約数ペア:

[(1, 8613640), (2, 4306820), (4, 2153410), (5, 1722728), (7, 1230520), (8, 1076705), (10, 861364), (14, 615260), (20, 430682), (28, 307630), (35, 246104), (40, 215341), (56, 153815), (70, 123052), (140, 61526), (280, 30763)]