157761520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281717}}^1$

素因数の和:281737

約数の個数: 40

約数和(自身を含む): 419196384

約数和(自身を除く): 261434864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281717, 563434, 1126868, 1408585, 1972019, 2253736, 2817170, 3944038, 4507472, 5634340, 7888076, 9860095, 11268680, 15776152, 19720190, 22537360, 31552304, 39440380, 78880760, 157761520]

約数ペア:

[(1, 157761520), (2, 78880760), (4, 39440380), (5, 31552304), (7, 22537360), (8, 19720190), (10, 15776152), (14, 11268680), (16, 9860095), (20, 7888076), (28, 5634340), (35, 4507472), (40, 3944038), (56, 2817170), (70, 2253736), (80, 1972019), (112, 1408585), (140, 1126868), (280, 563434), (560, 281717)]