156960969280

素因数分解:

$2^6\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{398459}}^1$

素因数の和:399707

約数の個数: 56

約数和(自身を含む): 374067872640

約数和(自身を除く): 217106903360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1231, 2462, 4924, 6155, 9848, 12310, 19696, 24620, 39392, 49240, 78784, 98480, 196960, 393920, 398459, 796918, 1593836, 1992295, 3187672, 3984590, 6375344, 7969180, 12750688, 15938360, 25501376, 31876720, 63753440, 127506880, 490503029, 981006058, 1962012116, 2452515145, 3924024232, 4905030290, 7848048464, 9810060580, 15696096928, 19620121160, 31392193856, 39240242320, 78480484640, 156960969280]

約数ペア:

[(1, 156960969280), (2, 78480484640), (4, 39240242320), (5, 31392193856), (8, 19620121160), (10, 15696096928), (16, 9810060580), (20, 7848048464), (32, 4905030290), (40, 3924024232), (64, 2452515145), (80, 1962012116), (160, 981006058), (320, 490503029), (1231, 127506880), (2462, 63753440), (4924, 31876720), (6155, 25501376), (9848, 15938360), (12310, 12750688), (19696, 7969180), (24620, 6375344), (39392, 3984590), (49240, 3187672), (78784, 1992295), (98480, 1593836), (196960, 796918), (393920, 398459)]