20498298000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{72689}}^1$

素因数の和:72762

約数の個数: 160

約数和(自身を含む): 67493537280

約数和(自身を除く): 46995239280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 47, 48, 50, 60, 75, 80, 94, 100, 120, 125, 141, 150, 188, 200, 235, 240, 250, 282, 300, 375, 376, 400, 470, 500, 564, 600, 705, 750, 752, 940, 1000, 1128, 1175, 1200, 1410, 1500, 1880, 2000, 2256, 2350, 2820, 3000, 3525, 3760, 4700, 5640, 5875, 6000, 7050, 9400, 11280, 11750, 14100, 17625, 18800, 23500, 28200, 35250, 47000, 56400, 70500, 72689, 94000, 141000, 145378, 218067, 282000, 290756, 363445, 436134, 581512, 726890, 872268, 1090335, 1163024, 1453780, 1744536, 1817225, 2180670, 2907560, 3416383, 3489072, 3634450, 4361340, 5451675, 5815120, 6832766, 7268900, 8722680, 9086125, 10249149, 10903350, 13665532, 14537800, 17081915, 17445360, 18172250, 20498298, 21806700, 27258375, 27331064, 29075600, 34163830, 36344500, 40996596, 43613400, 51245745, 54516750, 54662128, 68327660, 72689000, 81993192, 85409575, 87226800, 102491490, 109033500, 136655320, 145378000, 163986384, 170819150, 204982980, 218067000, 256228725, 273310640, 341638300, 409965960, 427047875, 436134000, 512457450, 683276600, 819931920, 854095750, 1024914900, 1281143625, 1366553200, 1708191500, 2049829800, 2562287250, 3416383000, 4099659600, 5124574500, 6832766000, 10249149000, 20498298000]

約数ペア:

[(1, 20498298000), (2, 10249149000), (3, 6832766000), (4, 5124574500), (5, 4099659600), (6, 3416383000), (8, 2562287250), (10, 2049829800), (12, 1708191500), (15, 1366553200), (16, 1281143625), (20, 1024914900), (24, 854095750), (25, 819931920), (30, 683276600), (40, 512457450), (47, 436134000), (48, 427047875), (50, 409965960), (60, 341638300), (75, 273310640), (80, 256228725), (94, 218067000), (100, 204982980), (120, 170819150), (125, 163986384), (141, 145378000), (150, 136655320), (188, 109033500), (200, 102491490), (235, 87226800), (240, 85409575), (250, 81993192), (282, 72689000), (300, 68327660), (375, 54662128), (376, 54516750), (400, 51245745), (470, 43613400), (500, 40996596), (564, 36344500), (600, 34163830), (705, 29075600), (750, 27331064), (752, 27258375), (940, 21806700), (1000, 20498298), (1128, 18172250), (1175, 17445360), (1200, 17081915), (1410, 14537800), (1500, 13665532), (1880, 10903350), (2000, 10249149), (2256, 9086125), (2350, 8722680), (2820, 7268900), (3000, 6832766), (3525, 5815120), (3760, 5451675), (4700, 4361340), (5640, 3634450), (5875, 3489072), (6000, 3416383), (7050, 2907560), (9400, 2180670), (11280, 1817225), (11750, 1744536), (14100, 1453780), (17625, 1163024), (18800, 1090335), (23500, 872268), (28200, 726890), (35250, 581512), (47000, 436134), (56400, 363445), (70500, 290756), (72689, 282000), (94000, 218067), (141000, 145378)]