157412680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 367804800

約数和(自身を除く): 210392120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1289, 1420, 1720, 2578, 2840, 3053, 5156, 6106, 6445, 10312, 12212, 12890, 15265, 24424, 25780, 30530, 51560, 55427, 61060, 91519, 110854, 122120, 183038, 221708, 277135, 366076, 443416, 457595, 554270, 732152, 915190, 1108540, 1830380, 2217080, 3660760, 3935317, 7870634, 15741268, 19676585, 31482536, 39353170, 78706340, 157412680]

約数ペア:

[(1, 157412680), (2, 78706340), (4, 39353170), (5, 31482536), (8, 19676585), (10, 15741268), (20, 7870634), (40, 3935317), (43, 3660760), (71, 2217080), (86, 1830380), (142, 1108540), (172, 915190), (215, 732152), (284, 554270), (344, 457595), (355, 443416), (430, 366076), (568, 277135), (710, 221708), (860, 183038), (1289, 122120), (1420, 110854), (1720, 91519), (2578, 61060), (2840, 55427), (3053, 51560), (5156, 30530), (6106, 25780), (6445, 24424), (10312, 15265), (12212, 12890)]