1285991840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9041}}^1$

素因数の和:9190

約数の個数: 96

約数和(自身を含む): 3499905024

約数和(自身を除く): 2213913184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2540, 3556, 4064, 4445, 5080, 7112, 8890, 9041, 10160, 14224, 17780, 18082, 20320, 28448, 35560, 36164, 45205, 63287, 71120, 72328, 90410, 126574, 142240, 144656, 180820, 253148, 289312, 316435, 361640, 506296, 632870, 723280, 1012592, 1148207, 1265740, 1446560, 2025184, 2296414, 2531480, 4592828, 5062960, 5741035, 8037449, 9185656, 10125920, 11482070, 16074898, 18371312, 22964140, 32149796, 36742624, 40187245, 45928280, 64299592, 80374490, 91856560, 128599184, 160748980, 183713120, 257198368, 321497960, 642995920, 1285991840]

約数ペア:

[(1, 1285991840), (2, 642995920), (4, 321497960), (5, 257198368), (7, 183713120), (8, 160748980), (10, 128599184), (14, 91856560), (16, 80374490), (20, 64299592), (28, 45928280), (32, 40187245), (35, 36742624), (40, 32149796), (56, 22964140), (70, 18371312), (80, 16074898), (112, 11482070), (127, 10125920), (140, 9185656), (160, 8037449), (224, 5741035), (254, 5062960), (280, 4592828), (508, 2531480), (560, 2296414), (635, 2025184), (889, 1446560), (1016, 1265740), (1120, 1148207), (1270, 1012592), (1778, 723280), (2032, 632870), (2540, 506296), (3556, 361640), (4064, 316435), (4445, 289312), (5080, 253148), (7112, 180820), (8890, 144656), (9041, 142240), (10160, 126574), (14224, 90410), (17780, 72328), (18082, 71120), (20320, 63287), (28448, 45205), (35560, 36164)]