16601440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 42577920

約数和(自身を除く): 25976480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 127, 152, 160, 172, 190, 215, 254, 304, 344, 380, 430, 508, 608, 635, 688, 760, 817, 860, 1016, 1270, 1376, 1520, 1634, 1720, 2032, 2413, 2540, 3040, 3268, 3440, 4064, 4085, 4826, 5080, 5461, 6536, 6880, 8170, 9652, 10160, 10922, 12065, 13072, 16340, 19304, 20320, 21844, 24130, 26144, 27305, 32680, 38608, 43688, 48260, 54610, 65360, 77216, 87376, 96520, 103759, 109220, 130720, 174752, 193040, 207518, 218440, 386080, 415036, 436880, 518795, 830072, 873760, 1037590, 1660144, 2075180, 3320288, 4150360, 8300720, 16601440]

約数ペア:

[(1, 16601440), (2, 8300720), (4, 4150360), (5, 3320288), (8, 2075180), (10, 1660144), (16, 1037590), (19, 873760), (20, 830072), (32, 518795), (38, 436880), (40, 415036), (43, 386080), (76, 218440), (80, 207518), (86, 193040), (95, 174752), (127, 130720), (152, 109220), (160, 103759), (172, 96520), (190, 87376), (215, 77216), (254, 65360), (304, 54610), (344, 48260), (380, 43688), (430, 38608), (508, 32680), (608, 27305), (635, 26144), (688, 24130), (760, 21844), (817, 20320), (860, 19304), (1016, 16340), (1270, 13072), (1376, 12065), (1520, 10922), (1634, 10160), (1720, 9652), (2032, 8170), (2413, 6880), (2540, 6536), (3040, 5461), (3268, 5080), (3440, 4826), (4064, 4085)]