80897880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 279360000

約数和(自身を除く): 198462120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 193, 210, 280, 386, 420, 499, 579, 772, 840, 965, 998, 1158, 1351, 1497, 1544, 1930, 1996, 2316, 2495, 2702, 2895, 2994, 3493, 3860, 3992, 4053, 4632, 4990, 5404, 5790, 5988, 6755, 6986, 7485, 7720, 8106, 9980, 10479, 10808, 11580, 11976, 13510, 13972, 14970, 16212, 17465, 19960, 20265, 20958, 23160, 27020, 27944, 29940, 32424, 34930, 40530, 41916, 52395, 54040, 59880, 69860, 81060, 83832, 96307, 104790, 139720, 162120, 192614, 209580, 288921, 385228, 419160, 481535, 577842, 674149, 770456, 963070, 1155684, 1348298, 1444605, 1926140, 2022447, 2311368, 2696596, 2889210, 3370745, 3852280, 4044894, 5393192, 5778420, 6741490, 8089788, 10112235, 11556840, 13482980, 16179576, 20224470, 26965960, 40448940, 80897880]

約数ペア:

[(1, 80897880), (2, 40448940), (3, 26965960), (4, 20224470), (5, 16179576), (6, 13482980), (7, 11556840), (8, 10112235), (10, 8089788), (12, 6741490), (14, 5778420), (15, 5393192), (20, 4044894), (21, 3852280), (24, 3370745), (28, 2889210), (30, 2696596), (35, 2311368), (40, 2022447), (42, 1926140), (56, 1444605), (60, 1348298), (70, 1155684), (84, 963070), (105, 770456), (120, 674149), (140, 577842), (168, 481535), (193, 419160), (210, 385228), (280, 288921), (386, 209580), (420, 192614), (499, 162120), (579, 139720), (772, 104790), (840, 96307), (965, 83832), (998, 81060), (1158, 69860), (1351, 59880), (1497, 54040), (1544, 52395), (1930, 41916), (1996, 40530), (2316, 34930), (2495, 32424), (2702, 29940), (2895, 27944), (2994, 27020), (3493, 23160), (3860, 20958), (3992, 20265), (4053, 19960), (4632, 17465), (4990, 16212), (5404, 14970), (5790, 13972), (5988, 13510), (6755, 11976), (6986, 11580), (7485, 10808), (7720, 10479), (8106, 9980)]