128629168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 272014336

約数和(自身を除く): 143385168

約数列:

[1, 2, 4, 8, 16, 31, 37, 43, 62, 74, 86, 124, 148, 163, 172, 248, 296, 326, 344, 496, 592, 652, 688, 1147, 1304, 1333, 1591, 2294, 2608, 2666, 3182, 4588, 5053, 5332, 6031, 6364, 7009, 9176, 10106, 10664, 12062, 12728, 14018, 18352, 20212, 21328, 24124, 25456, 28036, 40424, 48248, 49321, 56072, 80848, 96496, 98642, 112144, 186961, 197284, 217279, 259333, 373922, 394568, 434558, 518666, 747844, 789136, 869116, 1037332, 1495688, 1738232, 2074664, 2991376, 3476464, 4149328, 8039323, 16078646, 32157292, 64314584, 128629168]

約数ペア:

[(1, 128629168), (2, 64314584), (4, 32157292), (8, 16078646), (16, 8039323), (31, 4149328), (37, 3476464), (43, 2991376), (62, 2074664), (74, 1738232), (86, 1495688), (124, 1037332), (148, 869116), (163, 789136), (172, 747844), (248, 518666), (296, 434558), (326, 394568), (344, 373922), (496, 259333), (592, 217279), (652, 197284), (688, 186961), (1147, 112144), (1304, 98642), (1333, 96496), (1591, 80848), (2294, 56072), (2608, 49321), (2666, 48248), (3182, 40424), (4588, 28036), (5053, 25456), (5332, 24124), (6031, 21328), (6364, 20212), (7009, 18352), (9176, 14018), (10106, 12728), (10664, 12062)]