81069600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2027

約数の個数: 144

約数和(自身を含む): 279544608

約数和(自身を除く): 198475008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 480, 510, 544, 600, 680, 800, 816, 850, 1020, 1200, 1275, 1360, 1632, 1700, 1987, 2040, 2400, 2550, 2720, 3400, 3974, 4080, 5100, 5961, 6800, 7948, 8160, 9935, 10200, 11922, 13600, 15896, 19870, 20400, 23844, 29805, 31792, 33779, 39740, 40800, 47688, 49675, 59610, 63584, 67558, 79480, 95376, 99350, 101337, 119220, 135116, 149025, 158960, 168895, 190752, 198700, 202674, 238440, 270232, 298050, 317920, 337790, 397400, 405348, 476880, 506685, 540464, 596100, 675580, 794800, 810696, 844475, 953760, 1013370, 1080928, 1192200, 1351160, 1589600, 1621392, 1688950, 2026740, 2384400, 2533425, 2702320, 3242784, 3377900, 4053480, 4768800, 5066850, 5404640, 6755800, 8106960, 10133700, 13511600, 16213920, 20267400, 27023200, 40534800, 81069600]

約数ペア:

[(1, 81069600), (2, 40534800), (3, 27023200), (4, 20267400), (5, 16213920), (6, 13511600), (8, 10133700), (10, 8106960), (12, 6755800), (15, 5404640), (16, 5066850), (17, 4768800), (20, 4053480), (24, 3377900), (25, 3242784), (30, 2702320), (32, 2533425), (34, 2384400), (40, 2026740), (48, 1688950), (50, 1621392), (51, 1589600), (60, 1351160), (68, 1192200), (75, 1080928), (80, 1013370), (85, 953760), (96, 844475), (100, 810696), (102, 794800), (120, 675580), (136, 596100), (150, 540464), (160, 506685), (170, 476880), (200, 405348), (204, 397400), (240, 337790), (255, 317920), (272, 298050), (300, 270232), (340, 238440), (400, 202674), (408, 198700), (425, 190752), (480, 168895), (510, 158960), (544, 149025), (600, 135116), (680, 119220), (800, 101337), (816, 99350), (850, 95376), (1020, 79480), (1200, 67558), (1275, 63584), (1360, 59610), (1632, 49675), (1700, 47688), (1987, 40800), (2040, 39740), (2400, 33779), (2550, 31792), (2720, 29805), (3400, 23844), (3974, 20400), (4080, 19870), (5100, 15896), (5961, 13600), (6800, 11922), (7948, 10200), (8160, 9935)]