128421000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:797

約数の個数: 192

約数和(自身を含む): 457516800

約数和(自身を除く): 329095800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 125, 150, 152, 171, 180, 190, 200, 225, 228, 250, 285, 300, 342, 360, 375, 380, 450, 456, 475, 500, 570, 600, 684, 750, 751, 760, 855, 900, 950, 1000, 1125, 1140, 1368, 1425, 1500, 1502, 1710, 1800, 1900, 2250, 2253, 2280, 2375, 2850, 3000, 3004, 3420, 3755, 3800, 4275, 4500, 4506, 4750, 5700, 6008, 6759, 6840, 7125, 7510, 8550, 9000, 9012, 9500, 11265, 11400, 13518, 14250, 14269, 15020, 17100, 18024, 18775, 19000, 21375, 22530, 27036, 28500, 28538, 30040, 33795, 34200, 37550, 42750, 42807, 45060, 54072, 56325, 57000, 57076, 67590, 71345, 75100, 85500, 85614, 90120, 93875, 112650, 114152, 128421, 135180, 142690, 150200, 168975, 171000, 171228, 187750, 214035, 225300, 256842, 270360, 281625, 285380, 337950, 342456, 356725, 375500, 428070, 450600, 513684, 563250, 570760, 642105, 675900, 713450, 751000, 844875, 856140, 1027368, 1070175, 1126500, 1284210, 1351800, 1426900, 1689750, 1712280, 1783625, 2140350, 2253000, 2568420, 2853800, 3210525, 3379500, 3567250, 4280700, 5136840, 5350875, 6421050, 6759000, 7134500, 8561400, 10701750, 12842100, 14269000, 16052625, 21403500, 25684200, 32105250, 42807000, 64210500, 128421000]

約数ペア:

[(1, 128421000), (2, 64210500), (3, 42807000), (4, 32105250), (5, 25684200), (6, 21403500), (8, 16052625), (9, 14269000), (10, 12842100), (12, 10701750), (15, 8561400), (18, 7134500), (19, 6759000), (20, 6421050), (24, 5350875), (25, 5136840), (30, 4280700), (36, 3567250), (38, 3379500), (40, 3210525), (45, 2853800), (50, 2568420), (57, 2253000), (60, 2140350), (72, 1783625), (75, 1712280), (76, 1689750), (90, 1426900), (95, 1351800), (100, 1284210), (114, 1126500), (120, 1070175), (125, 1027368), (150, 856140), (152, 844875), (171, 751000), (180, 713450), (190, 675900), (200, 642105), (225, 570760), (228, 563250), (250, 513684), (285, 450600), (300, 428070), (342, 375500), (360, 356725), (375, 342456), (380, 337950), (450, 285380), (456, 281625), (475, 270360), (500, 256842), (570, 225300), (600, 214035), (684, 187750), (750, 171228), (751, 171000), (760, 168975), (855, 150200), (900, 142690), (950, 135180), (1000, 128421), (1125, 114152), (1140, 112650), (1368, 93875), (1425, 90120), (1500, 85614), (1502, 85500), (1710, 75100), (1800, 71345), (1900, 67590), (2250, 57076), (2253, 57000), (2280, 56325), (2375, 54072), (2850, 45060), (3000, 42807), (3004, 42750), (3420, 37550), (3755, 34200), (3800, 33795), (4275, 30040), (4500, 28538), (4506, 28500), (4750, 27036), (5700, 22530), (6008, 21375), (6759, 19000), (6840, 18775), (7125, 18024), (7510, 17100), (8550, 15020), (9000, 14269), (9012, 14250), (9500, 13518), (11265, 11400)]