239180080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 567776160

約数和(自身を除く): 328596080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 139, 157, 274, 278, 314, 548, 556, 628, 685, 695, 785, 1096, 1112, 1256, 1370, 1390, 1570, 2192, 2224, 2512, 2740, 2780, 3140, 5480, 5560, 6280, 10960, 11120, 12560, 19043, 21509, 21823, 38086, 43018, 43646, 76172, 86036, 87292, 95215, 107545, 109115, 152344, 172072, 174584, 190430, 215090, 218230, 304688, 344144, 349168, 380860, 430180, 436460, 761720, 860360, 872920, 1523440, 1720720, 1745840, 2989751, 5979502, 11959004, 14948755, 23918008, 29897510, 47836016, 59795020, 119590040, 239180080]

約数ペア:

[(1, 239180080), (2, 119590040), (4, 59795020), (5, 47836016), (8, 29897510), (10, 23918008), (16, 14948755), (20, 11959004), (40, 5979502), (80, 2989751), (137, 1745840), (139, 1720720), (157, 1523440), (274, 872920), (278, 860360), (314, 761720), (548, 436460), (556, 430180), (628, 380860), (685, 349168), (695, 344144), (785, 304688), (1096, 218230), (1112, 215090), (1256, 190430), (1370, 174584), (1390, 172072), (1570, 152344), (2192, 109115), (2224, 107545), (2512, 95215), (2740, 87292), (2780, 86036), (3140, 76172), (5480, 43646), (5560, 43018), (6280, 38086), (10960, 21823), (11120, 21509), (12560, 19043)]