127874680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 306685440

約数和(自身を除く): 178810760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 340, 346, 680, 692, 865, 1087, 1384, 1730, 2174, 2941, 3460, 4348, 5435, 5882, 6920, 8696, 10870, 11764, 14705, 18479, 21740, 23528, 29410, 36958, 43480, 58820, 73916, 92395, 117640, 147832, 184790, 188051, 369580, 376102, 739160, 752204, 940255, 1504408, 1880510, 3196867, 3761020, 6393734, 7522040, 12787468, 15984335, 25574936, 31968670, 63937340, 127874680]

約数ペア:

[(1, 127874680), (2, 63937340), (4, 31968670), (5, 25574936), (8, 15984335), (10, 12787468), (17, 7522040), (20, 6393734), (34, 3761020), (40, 3196867), (68, 1880510), (85, 1504408), (136, 940255), (170, 752204), (173, 739160), (340, 376102), (346, 369580), (680, 188051), (692, 184790), (865, 147832), (1087, 117640), (1384, 92395), (1730, 73916), (2174, 58820), (2941, 43480), (3460, 36958), (4348, 29410), (5435, 23528), (5882, 21740), (6920, 18479), (8696, 14705), (10870, 11764)]