143820640

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3761}}^1$

素因数の和:4015

約数の個数: 48

約数和(自身を含む): 341288640

約数和(自身を除く): 197468000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3761, 3824, 4780, 7522, 7648, 9560, 15044, 18805, 19120, 30088, 37610, 38240, 60176, 75220, 120352, 150440, 300880, 601760, 898879, 1797758, 3595516, 4494395, 7191032, 8988790, 14382064, 17977580, 28764128, 35955160, 71910320, 143820640]

約数ペア:

[(1, 143820640), (2, 71910320), (4, 35955160), (5, 28764128), (8, 17977580), (10, 14382064), (16, 8988790), (20, 7191032), (32, 4494395), (40, 3595516), (80, 1797758), (160, 898879), (239, 601760), (478, 300880), (956, 150440), (1195, 120352), (1912, 75220), (2390, 60176), (3761, 38240), (3824, 37610), (4780, 30088), (7522, 19120), (7648, 18805), (9560, 15044)]