18228000

素因数分解:

$2^5\times 3^1\times 5^3\times 7^2\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 288

約数和(自身を含む): 71705088

約数和(自身を除く): 53477088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 32, 35, 40, 42, 48, 49, 50, 56, 60, 62, 70, 75, 80, 84, 93, 96, 98, 100, 105, 112, 120, 124, 125, 140, 147, 150, 155, 160, 168, 175, 186, 196, 200, 210, 217, 224, 240, 245, 248, 250, 280, 294, 300, 310, 336, 350, 372, 375, 392, 400, 420, 434, 465, 480, 490, 496, 500, 525, 560, 588, 600, 620, 651, 672, 700, 735, 744, 750, 775, 784, 800, 840, 868, 875, 930, 980, 992, 1000, 1050, 1085, 1120, 1176, 1200, 1225, 1240, 1302, 1400, 1470, 1488, 1500, 1519, 1550, 1568, 1680, 1736, 1750, 1860, 1960, 2000, 2100, 2170, 2325, 2352, 2400, 2450, 2480, 2604, 2625, 2800, 2940, 2976, 3000, 3038, 3100, 3255, 3360, 3472, 3500, 3675, 3720, 3875, 3920, 4000, 4200, 4340, 4557, 4650, 4704, 4900, 4960, 5208, 5250, 5425, 5600, 5880, 6000, 6076, 6125, 6200, 6510, 6944, 7000, 7350, 7440, 7595, 7750, 7840, 8400, 8680, 9114, 9300, 9800, 10416, 10500, 10850, 11625, 11760, 12000, 12152, 12250, 12400, 13020, 14000, 14700, 14880, 15190, 15500, 16275, 16800, 17360, 18228, 18375, 18600, 19600, 20832, 21000, 21700, 22785, 23250, 23520, 24304, 24500, 24800, 26040, 27125, 28000, 29400, 30380, 31000, 32550, 34720, 36456, 36750, 37200, 37975, 39200, 42000, 43400, 45570, 46500, 48608, 49000, 52080, 54250, 58800, 60760, 62000, 65100, 72912, 73500, 74400, 75950, 81375, 84000, 86800, 91140, 93000, 98000, 104160, 108500, 113925, 117600, 121520, 124000, 130200, 145824, 147000, 151900, 162750, 173600, 182280, 186000, 189875, 196000, 217000, 227850, 243040, 260400, 294000, 303800, 325500, 364560, 372000, 379750, 434000, 455700, 520800, 569625, 588000, 607600, 651000, 729120, 759500, 868000, 911400, 1139250, 1215200, 1302000, 1519000, 1822800, 2278500, 2604000, 3038000, 3645600, 4557000, 6076000, 9114000, 18228000]

約数ペア:

[(1, 18228000), (2, 9114000), (3, 6076000), (4, 4557000), (5, 3645600), (6, 3038000), (7, 2604000), (8, 2278500), (10, 1822800), (12, 1519000), (14, 1302000), (15, 1215200), (16, 1139250), (20, 911400), (21, 868000), (24, 759500), (25, 729120), (28, 651000), (30, 607600), (31, 588000), (32, 569625), (35, 520800), (40, 455700), (42, 434000), (48, 379750), (49, 372000), (50, 364560), (56, 325500), (60, 303800), (62, 294000), (70, 260400), (75, 243040), (80, 227850), (84, 217000), (93, 196000), (96, 189875), (98, 186000), (100, 182280), (105, 173600), (112, 162750), (120, 151900), (124, 147000), (125, 145824), (140, 130200), (147, 124000), (150, 121520), (155, 117600), (160, 113925), (168, 108500), (175, 104160), (186, 98000), (196, 93000), (200, 91140), (210, 86800), (217, 84000), (224, 81375), (240, 75950), (245, 74400), (248, 73500), (250, 72912), (280, 65100), (294, 62000), (300, 60760), (310, 58800), (336, 54250), (350, 52080), (372, 49000), (375, 48608), (392, 46500), (400, 45570), (420, 43400), (434, 42000), (465, 39200), (480, 37975), (490, 37200), (496, 36750), (500, 36456), (525, 34720), (560, 32550), (588, 31000), (600, 30380), (620, 29400), (651, 28000), (672, 27125), (700, 26040), (735, 24800), (744, 24500), (750, 24304), (775, 23520), (784, 23250), (800, 22785), (840, 21700), (868, 21000), (875, 20832), (930, 19600), (980, 18600), (992, 18375), (1000, 18228), (1050, 17360), (1085, 16800), (1120, 16275), (1176, 15500), (1200, 15190), (1225, 14880), (1240, 14700), (1302, 14000), (1400, 13020), (1470, 12400), (1488, 12250), (1500, 12152), (1519, 12000), (1550, 11760), (1568, 11625), (1680, 10850), (1736, 10500), (1750, 10416), (1860, 9800), (1960, 9300), (2000, 9114), (2100, 8680), (2170, 8400), (2325, 7840), (2352, 7750), (2400, 7595), (2450, 7440), (2480, 7350), (2604, 7000), (2625, 6944), (2800, 6510), (2940, 6200), (2976, 6125), (3000, 6076), (3038, 6000), (3100, 5880), (3255, 5600), (3360, 5425), (3472, 5250), (3500, 5208), (3675, 4960), (3720, 4900), (3875, 4704), (3920, 4650), (4000, 4557), (4200, 4340)]