30780000

素因数分解:

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

素因数の和:61

約数の個数: 300

約数和(自身を含む): 119071260

約数和(自身を除く): 88291260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 32, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 81, 90, 95, 96, 100, 108, 114, 120, 125, 135, 144, 150, 152, 160, 162, 171, 180, 190, 200, 216, 225, 228, 240, 250, 270, 285, 288, 300, 304, 324, 342, 360, 375, 380, 400, 405, 432, 450, 456, 475, 480, 500, 513, 540, 570, 600, 608, 625, 648, 675, 684, 720, 750, 760, 800, 810, 855, 864, 900, 912, 950, 1000, 1026, 1080, 1125, 1140, 1200, 1250, 1296, 1350, 1368, 1425, 1440, 1500, 1520, 1539, 1620, 1710, 1800, 1824, 1875, 1900, 2000, 2025, 2052, 2160, 2250, 2280, 2375, 2400, 2500, 2565, 2592, 2700, 2736, 2850, 3000, 3040, 3078, 3240, 3375, 3420, 3600, 3750, 3800, 4000, 4050, 4104, 4275, 4320, 4500, 4560, 4750, 5000, 5130, 5400, 5472, 5625, 5700, 6000, 6156, 6480, 6750, 6840, 7125, 7200, 7500, 7600, 7695, 8100, 8208, 8550, 9000, 9120, 9500, 10000, 10125, 10260, 10800, 11250, 11400, 11875, 12000, 12312, 12825, 12960, 13500, 13680, 14250, 15000, 15200, 15390, 16200, 16416, 16875, 17100, 18000, 19000, 20000, 20250, 20520, 21375, 21600, 22500, 22800, 23750, 24624, 25650, 27000, 27360, 28500, 30000, 30780, 32400, 33750, 34200, 35625, 36000, 38000, 38475, 40500, 41040, 42750, 45000, 45600, 47500, 49248, 50625, 51300, 54000, 57000, 60000, 61560, 64125, 64800, 67500, 68400, 71250, 76000, 76950, 81000, 82080, 85500, 90000, 95000, 101250, 102600, 106875, 108000, 114000, 123120, 128250, 135000, 136800, 142500, 153900, 162000, 171000, 180000, 190000, 192375, 202500, 205200, 213750, 228000, 246240, 256500, 270000, 285000, 307800, 320625, 324000, 342000, 380000, 384750, 405000, 410400, 427500, 513000, 540000, 570000, 615600, 641250, 684000, 769500, 810000, 855000, 961875, 1026000, 1140000, 1231200, 1282500, 1539000, 1620000, 1710000, 1923750, 2052000, 2565000, 3078000, 3420000, 3847500, 5130000, 6156000, 7695000, 10260000, 15390000, 30780000]

約数ペア:

[(1, 30780000), (2, 15390000), (3, 10260000), (4, 7695000), (5, 6156000), (6, 5130000), (8, 3847500), (9, 3420000), (10, 3078000), (12, 2565000), (15, 2052000), (16, 1923750), (18, 1710000), (19, 1620000), (20, 1539000), (24, 1282500), (25, 1231200), (27, 1140000), (30, 1026000), (32, 961875), (36, 855000), (38, 810000), (40, 769500), (45, 684000), (48, 641250), (50, 615600), (54, 570000), (57, 540000), (60, 513000), (72, 427500), (75, 410400), (76, 405000), (80, 384750), (81, 380000), (90, 342000), (95, 324000), (96, 320625), (100, 307800), (108, 285000), (114, 270000), (120, 256500), (125, 246240), (135, 228000), (144, 213750), (150, 205200), (152, 202500), (160, 192375), (162, 190000), (171, 180000), (180, 171000), (190, 162000), (200, 153900), (216, 142500), (225, 136800), (228, 135000), (240, 128250), (250, 123120), (270, 114000), (285, 108000), (288, 106875), (300, 102600), (304, 101250), (324, 95000), (342, 90000), (360, 85500), (375, 82080), (380, 81000), (400, 76950), (405, 76000), (432, 71250), (450, 68400), (456, 67500), (475, 64800), (480, 64125), (500, 61560), (513, 60000), (540, 57000), (570, 54000), (600, 51300), (608, 50625), (625, 49248), (648, 47500), (675, 45600), (684, 45000), (720, 42750), (750, 41040), (760, 40500), (800, 38475), (810, 38000), (855, 36000), (864, 35625), (900, 34200), (912, 33750), (950, 32400), (1000, 30780), (1026, 30000), (1080, 28500), (1125, 27360), (1140, 27000), (1200, 25650), (1250, 24624), (1296, 23750), (1350, 22800), (1368, 22500), (1425, 21600), (1440, 21375), (1500, 20520), (1520, 20250), (1539, 20000), (1620, 19000), (1710, 18000), (1800, 17100), (1824, 16875), (1875, 16416), (1900, 16200), (2000, 15390), (2025, 15200), (2052, 15000), (2160, 14250), (2250, 13680), (2280, 13500), (2375, 12960), (2400, 12825), (2500, 12312), (2565, 12000), (2592, 11875), (2700, 11400), (2736, 11250), (2850, 10800), (3000, 10260), (3040, 10125), (3078, 10000), (3240, 9500), (3375, 9120), (3420, 9000), (3600, 8550), (3750, 8208), (3800, 8100), (4000, 7695), (4050, 7600), (4104, 7500), (4275, 7200), (4320, 7125), (4500, 6840), (4560, 6750), (4750, 6480), (5000, 6156), (5130, 6000), (5400, 5700), (5472, 5625)]