30957640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110563}}^1$

素因数の和:110581

約数の個数: 32

約数和(自身を含む): 79606080

約数和(自身を除く): 48648440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110563, 221126, 442252, 552815, 773941, 884504, 1105630, 1547882, 2211260, 3095764, 3869705, 4422520, 6191528, 7739410, 15478820, 30957640]

約数ペア:

[(1, 30957640), (2, 15478820), (4, 7739410), (5, 6191528), (7, 4422520), (8, 3869705), (10, 3095764), (14, 2211260), (20, 1547882), (28, 1105630), (35, 884504), (40, 773941), (56, 552815), (70, 442252), (140, 221126), (280, 110563)]