81066160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 227905056

約数和(自身を除く): 146838896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 361, 380, 401, 532, 560, 665, 722, 760, 802, 1064, 1330, 1444, 1520, 1604, 1805, 2005, 2128, 2527, 2660, 2807, 2888, 3208, 3610, 4010, 5054, 5320, 5614, 5776, 6416, 7220, 7619, 8020, 10108, 10640, 11228, 12635, 14035, 14440, 15238, 16040, 20216, 22456, 25270, 28070, 28880, 30476, 32080, 38095, 40432, 44912, 50540, 53333, 56140, 60952, 76190, 101080, 106666, 112280, 121904, 144761, 152380, 202160, 213332, 224560, 266665, 289522, 304760, 426664, 533330, 579044, 609520, 723805, 853328, 1013327, 1066660, 1158088, 1447610, 2026654, 2133320, 2316176, 2895220, 4053308, 4266640, 5066635, 5790440, 8106616, 10133270, 11580880, 16213232, 20266540, 40533080, 81066160]

約数ペア:

[(1, 81066160), (2, 40533080), (4, 20266540), (5, 16213232), (7, 11580880), (8, 10133270), (10, 8106616), (14, 5790440), (16, 5066635), (19, 4266640), (20, 4053308), (28, 2895220), (35, 2316176), (38, 2133320), (40, 2026654), (56, 1447610), (70, 1158088), (76, 1066660), (80, 1013327), (95, 853328), (112, 723805), (133, 609520), (140, 579044), (152, 533330), (190, 426664), (266, 304760), (280, 289522), (304, 266665), (361, 224560), (380, 213332), (401, 202160), (532, 152380), (560, 144761), (665, 121904), (722, 112280), (760, 106666), (802, 101080), (1064, 76190), (1330, 60952), (1444, 56140), (1520, 53333), (1604, 50540), (1805, 44912), (2005, 40432), (2128, 38095), (2527, 32080), (2660, 30476), (2807, 28880), (2888, 28070), (3208, 25270), (3610, 22456), (4010, 20216), (5054, 16040), (5320, 15238), (5614, 14440), (5776, 14035), (6416, 12635), (7220, 11228), (7619, 10640), (8020, 10108)]