320445520

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67891}}^1$

素因数の和:67963

約数の個数: 40

約数和(自身を含む): 757674720

約数和(自身を除く): 437229200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 67891, 135782, 271564, 339455, 543128, 678910, 1086256, 1357820, 2715640, 4005569, 5431280, 8011138, 16022276, 20027845, 32044552, 40055690, 64089104, 80111380, 160222760, 320445520]

約数ペア:

[(1, 320445520), (2, 160222760), (4, 80111380), (5, 64089104), (8, 40055690), (10, 32044552), (16, 20027845), (20, 16022276), (40, 8011138), (59, 5431280), (80, 4005569), (118, 2715640), (236, 1357820), (295, 1086256), (472, 678910), (590, 543128), (944, 339455), (1180, 271564), (2360, 135782), (4720, 67891)]