15390000

素因数分解:

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

素因数の和:59

約数の個数: 250

約数和(自身を含む): 58590620

約数和(自身を除く): 43200620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 81, 90, 95, 100, 108, 114, 120, 125, 135, 144, 150, 152, 162, 171, 180, 190, 200, 216, 225, 228, 240, 250, 270, 285, 300, 304, 324, 342, 360, 375, 380, 400, 405, 432, 450, 456, 475, 500, 513, 540, 570, 600, 625, 648, 675, 684, 720, 750, 760, 810, 855, 900, 912, 950, 1000, 1026, 1080, 1125, 1140, 1200, 1250, 1296, 1350, 1368, 1425, 1500, 1520, 1539, 1620, 1710, 1800, 1875, 1900, 2000, 2025, 2052, 2160, 2250, 2280, 2375, 2500, 2565, 2700, 2736, 2850, 3000, 3078, 3240, 3375, 3420, 3600, 3750, 3800, 4050, 4104, 4275, 4500, 4560, 4750, 5000, 5130, 5400, 5625, 5700, 6000, 6156, 6480, 6750, 6840, 7125, 7500, 7600, 7695, 8100, 8208, 8550, 9000, 9500, 10000, 10125, 10260, 10800, 11250, 11400, 11875, 12312, 12825, 13500, 13680, 14250, 15000, 15390, 16200, 16875, 17100, 18000, 19000, 20250, 20520, 21375, 22500, 22800, 23750, 24624, 25650, 27000, 28500, 30000, 30780, 32400, 33750, 34200, 35625, 38000, 38475, 40500, 41040, 42750, 45000, 47500, 50625, 51300, 54000, 57000, 61560, 64125, 67500, 68400, 71250, 76950, 81000, 85500, 90000, 95000, 101250, 102600, 106875, 114000, 123120, 128250, 135000, 142500, 153900, 162000, 171000, 190000, 192375, 202500, 205200, 213750, 256500, 270000, 285000, 307800, 320625, 342000, 384750, 405000, 427500, 513000, 570000, 615600, 641250, 769500, 810000, 855000, 961875, 1026000, 1282500, 1539000, 1710000, 1923750, 2565000, 3078000, 3847500, 5130000, 7695000, 15390000]

約数ペア:

[(1, 15390000), (2, 7695000), (3, 5130000), (4, 3847500), (5, 3078000), (6, 2565000), (8, 1923750), (9, 1710000), (10, 1539000), (12, 1282500), (15, 1026000), (16, 961875), (18, 855000), (19, 810000), (20, 769500), (24, 641250), (25, 615600), (27, 570000), (30, 513000), (36, 427500), (38, 405000), (40, 384750), (45, 342000), (48, 320625), (50, 307800), (54, 285000), (57, 270000), (60, 256500), (72, 213750), (75, 205200), (76, 202500), (80, 192375), (81, 190000), (90, 171000), (95, 162000), (100, 153900), (108, 142500), (114, 135000), (120, 128250), (125, 123120), (135, 114000), (144, 106875), (150, 102600), (152, 101250), (162, 95000), (171, 90000), (180, 85500), (190, 81000), (200, 76950), (216, 71250), (225, 68400), (228, 67500), (240, 64125), (250, 61560), (270, 57000), (285, 54000), (300, 51300), (304, 50625), (324, 47500), (342, 45000), (360, 42750), (375, 41040), (380, 40500), (400, 38475), (405, 38000), (432, 35625), (450, 34200), (456, 33750), (475, 32400), (500, 30780), (513, 30000), (540, 28500), (570, 27000), (600, 25650), (625, 24624), (648, 23750), (675, 22800), (684, 22500), (720, 21375), (750, 20520), (760, 20250), (810, 19000), (855, 18000), (900, 17100), (912, 16875), (950, 16200), (1000, 15390), (1026, 15000), (1080, 14250), (1125, 13680), (1140, 13500), (1200, 12825), (1250, 12312), (1296, 11875), (1350, 11400), (1368, 11250), (1425, 10800), (1500, 10260), (1520, 10125), (1539, 10000), (1620, 9500), (1710, 9000), (1800, 8550), (1875, 8208), (1900, 8100), (2000, 7695), (2025, 7600), (2052, 7500), (2160, 7125), (2250, 6840), (2280, 6750), (2375, 6480), (2500, 6156), (2565, 6000), (2700, 5700), (2736, 5625), (2850, 5400), (3000, 5130), (3078, 5000), (3240, 4750), (3375, 4560), (3420, 4500), (3600, 4275), (3750, 4104), (3800, 4050)]