640427028000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{10979}}^1\times {\mathrm{4861}}^1$

素因数の和:15868

約数の個数: 192

約数和(自身を含む): 2098661685120

約数和(自身を除く): 1458234657120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 750, 800, 1000, 1200, 1500, 2000, 2400, 3000, 4000, 4861, 6000, 9722, 10979, 12000, 14583, 19444, 21958, 24305, 29166, 32937, 38888, 43916, 48610, 54895, 58332, 65874, 72915, 77776, 87832, 97220, 109790, 116664, 121525, 131748, 145830, 155552, 164685, 175664, 194440, 219580, 233328, 243050, 263496, 274475, 291660, 329370, 351328, 364575, 388880, 439160, 466656, 486100, 526992, 548950, 583320, 607625, 658740, 729150, 777760, 823425, 878320, 972200, 1053984, 1097900, 1166640, 1215250, 1317480, 1372375, 1458300, 1646850, 1756640, 1822875, 1944400, 2195800, 2333280, 2430500, 2634960, 2744750, 2916600, 3293700, 3645750, 3888800, 4117125, 4391600, 4861000, 5269920, 5489500, 5833200, 6587400, 7291500, 8234250, 8783200, 9722000, 10979000, 11666400, 13174800, 14583000, 16468500, 19444000, 21958000, 26349600, 29166000, 32937000, 43916000, 53368919, 58332000, 65874000, 106737838, 131748000, 160106757, 213475676, 266844595, 320213514, 426951352, 533689190, 640427028, 800533785, 853902704, 1067378380, 1280854056, 1334222975, 1601067570, 1707805408, 2134756760, 2561708112, 2668445950, 3202135140, 4002668925, 4269513520, 5123416224, 5336891900, 6404270280, 6671114875, 8005337850, 8539027040, 10673783800, 12808540560, 13342229750, 16010675700, 20013344625, 21347567600, 25617081120, 26684459500, 32021351400, 40026689250, 42695135200, 53368919000, 64042702800, 80053378500, 106737838000, 128085405600, 160106757000, 213475676000, 320213514000, 640427028000]

約数ペア:

[(1, 640427028000), (2, 320213514000), (3, 213475676000), (4, 160106757000), (5, 128085405600), (6, 106737838000), (8, 80053378500), (10, 64042702800), (12, 53368919000), (15, 42695135200), (16, 40026689250), (20, 32021351400), (24, 26684459500), (25, 25617081120), (30, 21347567600), (32, 20013344625), (40, 16010675700), (48, 13342229750), (50, 12808540560), (60, 10673783800), (75, 8539027040), (80, 8005337850), (96, 6671114875), (100, 6404270280), (120, 5336891900), (125, 5123416224), (150, 4269513520), (160, 4002668925), (200, 3202135140), (240, 2668445950), (250, 2561708112), (300, 2134756760), (375, 1707805408), (400, 1601067570), (480, 1334222975), (500, 1280854056), (600, 1067378380), (750, 853902704), (800, 800533785), (1000, 640427028), (1200, 533689190), (1500, 426951352), (2000, 320213514), (2400, 266844595), (3000, 213475676), (4000, 160106757), (4861, 131748000), (6000, 106737838), (9722, 65874000), (10979, 58332000), (12000, 53368919), (14583, 43916000), (19444, 32937000), (21958, 29166000), (24305, 26349600), (29166, 21958000), (32937, 19444000), (38888, 16468500), (43916, 14583000), (48610, 13174800), (54895, 11666400), (58332, 10979000), (65874, 9722000), (72915, 8783200), (77776, 8234250), (87832, 7291500), (97220, 6587400), (109790, 5833200), (116664, 5489500), (121525, 5269920), (131748, 4861000), (145830, 4391600), (155552, 4117125), (164685, 3888800), (175664, 3645750), (194440, 3293700), (219580, 2916600), (233328, 2744750), (243050, 2634960), (263496, 2430500), (274475, 2333280), (291660, 2195800), (329370, 1944400), (351328, 1822875), (364575, 1756640), (388880, 1646850), (439160, 1458300), (466656, 1372375), (486100, 1317480), (526992, 1215250), (548950, 1166640), (583320, 1097900), (607625, 1053984), (658740, 972200), (729150, 878320), (777760, 823425)]