1380664640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5281}}^1$

素因数の和:5360

約数の個数: 112

約数和(自身を含む): 3541897920

約数和(自身を除く): 2161233280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 1216, 1376, 1520, 1634, 1720, 2752, 3040, 3268, 3440, 4085, 5281, 6080, 6536, 6880, 8170, 10562, 13072, 13760, 16340, 21124, 26144, 26405, 32680, 42248, 52288, 52810, 65360, 84496, 100339, 105620, 130720, 168992, 200678, 211240, 227083, 261440, 337984, 401356, 422480, 454166, 501695, 802712, 844960, 908332, 1003390, 1135415, 1605424, 1689920, 1816664, 2006780, 2270830, 3210848, 3633328, 4013560, 4314577, 4541660, 6421696, 7266656, 8027120, 8629154, 9083320, 14533312, 16054240, 17258308, 18166640, 21572885, 32108480, 34516616, 36333280, 43145770, 69033232, 72666560, 86291540, 138066464, 172583080, 276132928, 345166160, 690332320, 1380664640]

約数ペア:

[(1, 1380664640), (2, 690332320), (4, 345166160), (5, 276132928), (8, 172583080), (10, 138066464), (16, 86291540), (19, 72666560), (20, 69033232), (32, 43145770), (38, 36333280), (40, 34516616), (43, 32108480), (64, 21572885), (76, 18166640), (80, 17258308), (86, 16054240), (95, 14533312), (152, 9083320), (160, 8629154), (172, 8027120), (190, 7266656), (215, 6421696), (304, 4541660), (320, 4314577), (344, 4013560), (380, 3633328), (430, 3210848), (608, 2270830), (688, 2006780), (760, 1816664), (817, 1689920), (860, 1605424), (1216, 1135415), (1376, 1003390), (1520, 908332), (1634, 844960), (1720, 802712), (2752, 501695), (3040, 454166), (3268, 422480), (3440, 401356), (4085, 337984), (5281, 261440), (6080, 227083), (6536, 211240), (6880, 200678), (8170, 168992), (10562, 130720), (13072, 105620), (13760, 100339), (16340, 84496), (21124, 65360), (26144, 52810), (26405, 52288), (32680, 42248)]