77355280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 186595200

約数和(自身を除く): 109239920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 199, 215, 226, 344, 398, 430, 452, 565, 688, 796, 860, 904, 995, 1130, 1592, 1720, 1808, 1990, 2260, 3184, 3440, 3980, 4520, 4859, 7960, 8557, 9040, 9718, 15920, 17114, 19436, 22487, 24295, 34228, 38872, 42785, 44974, 48590, 68456, 77744, 85570, 89948, 97180, 112435, 136912, 171140, 179896, 194360, 224870, 342280, 359792, 388720, 449740, 684560, 899480, 966941, 1798960, 1933882, 3867764, 4834705, 7735528, 9669410, 15471056, 19338820, 38677640, 77355280]

約数ペア:

[(1, 77355280), (2, 38677640), (4, 19338820), (5, 15471056), (8, 9669410), (10, 7735528), (16, 4834705), (20, 3867764), (40, 1933882), (43, 1798960), (80, 966941), (86, 899480), (113, 684560), (172, 449740), (199, 388720), (215, 359792), (226, 342280), (344, 224870), (398, 194360), (430, 179896), (452, 171140), (565, 136912), (688, 112435), (796, 97180), (860, 89948), (904, 85570), (995, 77744), (1130, 68456), (1592, 48590), (1720, 44974), (1808, 42785), (1990, 38872), (2260, 34228), (3184, 24295), (3440, 22487), (3980, 19436), (4520, 17114), (4859, 15920), (7960, 9718), (8557, 9040)]