746111920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2437}}^1$

素因数の和:2582

約数の個数: 80

約数和(自身を含む): 1795733280

約数和(自身を除く): 1049621360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 215, 344, 356, 430, 445, 688, 712, 860, 890, 1424, 1720, 1780, 2437, 3440, 3560, 3827, 4874, 7120, 7654, 9748, 12185, 15308, 19135, 19496, 24370, 30616, 38270, 38992, 48740, 61232, 76540, 97480, 104791, 153080, 194960, 209582, 216893, 306160, 419164, 433786, 523955, 838328, 867572, 1047910, 1084465, 1676656, 1735144, 2095820, 2168930, 3470288, 4191640, 4337860, 8383280, 8675720, 9326399, 17351440, 18652798, 37305596, 46631995, 74611192, 93263990, 149222384, 186527980, 373055960, 746111920]

約数ペア:

[(1, 746111920), (2, 373055960), (4, 186527980), (5, 149222384), (8, 93263990), (10, 74611192), (16, 46631995), (20, 37305596), (40, 18652798), (43, 17351440), (80, 9326399), (86, 8675720), (89, 8383280), (172, 4337860), (178, 4191640), (215, 3470288), (344, 2168930), (356, 2095820), (430, 1735144), (445, 1676656), (688, 1084465), (712, 1047910), (860, 867572), (890, 838328), (1424, 523955), (1720, 433786), (1780, 419164), (2437, 306160), (3440, 216893), (3560, 209582), (3827, 194960), (4874, 153080), (7120, 104791), (7654, 97480), (9748, 76540), (12185, 61232), (15308, 48740), (19135, 38992), (19496, 38270), (24370, 30616)]