28386000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 105618240

約数和(自身を除く): 77232240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 83, 90, 95, 100, 114, 120, 125, 144, 150, 152, 166, 171, 180, 190, 200, 225, 228, 240, 249, 250, 285, 300, 304, 332, 342, 360, 375, 380, 400, 415, 450, 456, 475, 498, 500, 570, 600, 664, 684, 720, 747, 750, 760, 830, 855, 900, 912, 950, 996, 1000, 1125, 1140, 1200, 1245, 1328, 1368, 1425, 1494, 1500, 1520, 1577, 1660, 1710, 1800, 1900, 1992, 2000, 2075, 2250, 2280, 2375, 2490, 2736, 2850, 2988, 3000, 3154, 3320, 3420, 3600, 3735, 3800, 3984, 4150, 4275, 4500, 4560, 4731, 4750, 4980, 5700, 5976, 6000, 6225, 6308, 6640, 6840, 7125, 7470, 7600, 7885, 8300, 8550, 9000, 9462, 9500, 9960, 10375, 11400, 11952, 12450, 12616, 13680, 14193, 14250, 14940, 15770, 16600, 17100, 18000, 18675, 18924, 19000, 19920, 20750, 21375, 22800, 23655, 24900, 25232, 28386, 28500, 29880, 31125, 31540, 33200, 34200, 37350, 37848, 38000, 39425, 41500, 42750, 47310, 49800, 56772, 57000, 59760, 62250, 63080, 68400, 70965, 74700, 75696, 78850, 83000, 85500, 93375, 94620, 99600, 113544, 114000, 118275, 124500, 126160, 141930, 149400, 157700, 166000, 171000, 186750, 189240, 197125, 227088, 236550, 249000, 283860, 298800, 315400, 342000, 354825, 373500, 378480, 394250, 473100, 498000, 567720, 591375, 630800, 709650, 747000, 788500, 946200, 1135440, 1182750, 1419300, 1494000, 1577000, 1774125, 1892400, 2365500, 2838600, 3154000, 3548250, 4731000, 5677200, 7096500, 9462000, 14193000, 28386000]

約数ペア:

[(1, 28386000), (2, 14193000), (3, 9462000), (4, 7096500), (5, 5677200), (6, 4731000), (8, 3548250), (9, 3154000), (10, 2838600), (12, 2365500), (15, 1892400), (16, 1774125), (18, 1577000), (19, 1494000), (20, 1419300), (24, 1182750), (25, 1135440), (30, 946200), (36, 788500), (38, 747000), (40, 709650), (45, 630800), (48, 591375), (50, 567720), (57, 498000), (60, 473100), (72, 394250), (75, 378480), (76, 373500), (80, 354825), (83, 342000), (90, 315400), (95, 298800), (100, 283860), (114, 249000), (120, 236550), (125, 227088), (144, 197125), (150, 189240), (152, 186750), (166, 171000), (171, 166000), (180, 157700), (190, 149400), (200, 141930), (225, 126160), (228, 124500), (240, 118275), (249, 114000), (250, 113544), (285, 99600), (300, 94620), (304, 93375), (332, 85500), (342, 83000), (360, 78850), (375, 75696), (380, 74700), (400, 70965), (415, 68400), (450, 63080), (456, 62250), (475, 59760), (498, 57000), (500, 56772), (570, 49800), (600, 47310), (664, 42750), (684, 41500), (720, 39425), (747, 38000), (750, 37848), (760, 37350), (830, 34200), (855, 33200), (900, 31540), (912, 31125), (950, 29880), (996, 28500), (1000, 28386), (1125, 25232), (1140, 24900), (1200, 23655), (1245, 22800), (1328, 21375), (1368, 20750), (1425, 19920), (1494, 19000), (1500, 18924), (1520, 18675), (1577, 18000), (1660, 17100), (1710, 16600), (1800, 15770), (1900, 14940), (1992, 14250), (2000, 14193), (2075, 13680), (2250, 12616), (2280, 12450), (2375, 11952), (2490, 11400), (2736, 10375), (2850, 9960), (2988, 9500), (3000, 9462), (3154, 9000), (3320, 8550), (3420, 8300), (3600, 7885), (3735, 7600), (3800, 7470), (3984, 7125), (4150, 6840), (4275, 6640), (4500, 6308), (4560, 6225), (4731, 6000), (4750, 5976), (4980, 5700)]