157225040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280759}}^1$

素因数の和:280779

約数の個数: 40

約数和(自身を含む): 417770880

約数和(自身を除く): 260545840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280759, 561518, 1123036, 1403795, 1965313, 2246072, 2807590, 3930626, 4492144, 5615180, 7861252, 9826565, 11230360, 15722504, 19653130, 22460720, 31445008, 39306260, 78612520, 157225040]

約数ペア:

[(1, 157225040), (2, 78612520), (4, 39306260), (5, 31445008), (7, 22460720), (8, 19653130), (10, 15722504), (14, 11230360), (16, 9826565), (20, 7861252), (28, 5615180), (35, 4492144), (40, 3930626), (56, 2807590), (70, 2246072), (80, 1965313), (112, 1403795), (140, 1123036), (280, 561518), (560, 280759)]