30981160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110647}}^1$

素因数の和:110665

約数の個数: 32

約数和(自身を含む): 79666560

約数和(自身を除く): 48685400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110647, 221294, 442588, 553235, 774529, 885176, 1106470, 1549058, 2212940, 3098116, 3872645, 4425880, 6196232, 7745290, 15490580, 30981160]

約数ペア:

[(1, 30981160), (2, 15490580), (4, 7745290), (5, 6196232), (7, 4425880), (8, 3872645), (10, 3098116), (14, 2212940), (20, 1549058), (28, 1106470), (35, 885176), (40, 774529), (56, 553235), (70, 442588), (140, 221294), (280, 110647)]