131520760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469717}}^1$

素因数の和:469735

約数の個数: 32

約数和(自身を含む): 338196960

約数和(自身を除く): 206676200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469717, 939434, 1878868, 2348585, 3288019, 3757736, 4697170, 6576038, 9394340, 13152076, 16440095, 18788680, 26304152, 32880190, 65760380, 131520760]

約数ペア:

[(1, 131520760), (2, 65760380), (4, 32880190), (5, 26304152), (7, 18788680), (8, 16440095), (10, 13152076), (14, 9394340), (20, 6576038), (28, 4697170), (35, 3757736), (40, 3288019), (56, 2348585), (70, 1878868), (140, 939434), (280, 469717)]