81677520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6673}}^1$

素因数の和:6709

約数の個数: 120

約数和(自身を含む): 290479176

約数和(自身を除く): 208801656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 6673, 12240, 13346, 20019, 26692, 33365, 40038, 53384, 60057, 66730, 80076, 100095, 106768, 113441, 120114, 133460, 160152, 200190, 226882, 240228, 266920, 300285, 320304, 340323, 400380, 453764, 480456, 533840, 567205, 600570, 680646, 800760, 907528, 960912, 1020969, 1134410, 1201140, 1361292, 1601520, 1701615, 1815056, 2041938, 2268820, 2402280, 2722584, 3403230, 4083876, 4537640, 4804560, 5104845, 5445168, 6806460, 8167752, 9075280, 10209690, 13612920, 16335504, 20419380, 27225840, 40838760, 81677520]

約数ペア:

[(1, 81677520), (2, 40838760), (3, 27225840), (4, 20419380), (5, 16335504), (6, 13612920), (8, 10209690), (9, 9075280), (10, 8167752), (12, 6806460), (15, 5445168), (16, 5104845), (17, 4804560), (18, 4537640), (20, 4083876), (24, 3403230), (30, 2722584), (34, 2402280), (36, 2268820), (40, 2041938), (45, 1815056), (48, 1701615), (51, 1601520), (60, 1361292), (68, 1201140), (72, 1134410), (80, 1020969), (85, 960912), (90, 907528), (102, 800760), (120, 680646), (136, 600570), (144, 567205), (153, 533840), (170, 480456), (180, 453764), (204, 400380), (240, 340323), (255, 320304), (272, 300285), (306, 266920), (340, 240228), (360, 226882), (408, 200190), (510, 160152), (612, 133460), (680, 120114), (720, 113441), (765, 106768), (816, 100095), (1020, 80076), (1224, 66730), (1360, 60057), (1530, 53384), (2040, 40038), (2448, 33365), (3060, 26692), (4080, 20019), (6120, 13346), (6673, 12240)]