19530000

素因数分解:

$2^4\times 3^2\times 5^4\times 7^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 300

約数和(自身を含む): 80574208

約数和(自身を除く): 61044208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 31, 35, 36, 40, 42, 45, 48, 50, 56, 60, 62, 63, 70, 72, 75, 80, 84, 90, 93, 100, 105, 112, 120, 124, 125, 126, 140, 144, 150, 155, 168, 175, 180, 186, 200, 210, 217, 225, 240, 248, 250, 252, 279, 280, 300, 310, 315, 336, 350, 360, 372, 375, 400, 420, 434, 450, 465, 496, 500, 504, 525, 558, 560, 600, 620, 625, 630, 651, 700, 720, 744, 750, 775, 840, 868, 875, 900, 930, 1000, 1008, 1050, 1085, 1116, 1125, 1200, 1240, 1250, 1260, 1302, 1395, 1400, 1488, 1500, 1550, 1575, 1680, 1736, 1750, 1800, 1860, 1875, 1953, 2000, 2100, 2170, 2232, 2250, 2325, 2480, 2500, 2520, 2604, 2625, 2790, 2800, 3000, 3100, 3150, 3255, 3472, 3500, 3600, 3720, 3750, 3875, 3906, 4200, 4340, 4375, 4464, 4500, 4650, 5000, 5040, 5208, 5250, 5425, 5580, 5625, 6000, 6200, 6300, 6510, 6975, 7000, 7440, 7500, 7750, 7812, 7875, 8400, 8680, 8750, 9000, 9300, 9765, 10000, 10416, 10500, 10850, 11160, 11250, 11625, 12400, 12600, 13020, 13125, 13950, 14000, 15000, 15500, 15624, 15750, 16275, 17360, 17500, 18000, 18600, 19375, 19530, 21000, 21700, 22320, 22500, 23250, 25200, 26040, 26250, 27125, 27900, 30000, 31000, 31248, 31500, 32550, 34875, 35000, 37200, 38750, 39060, 39375, 42000, 43400, 45000, 46500, 48825, 52080, 52500, 54250, 55800, 58125, 62000, 63000, 65100, 69750, 70000, 77500, 78120, 78750, 81375, 86800, 90000, 93000, 97650, 105000, 108500, 111600, 116250, 126000, 130200, 135625, 139500, 155000, 156240, 157500, 162750, 174375, 186000, 195300, 210000, 217000, 232500, 244125, 260400, 271250, 279000, 310000, 315000, 325500, 348750, 390600, 406875, 434000, 465000, 488250, 542500, 558000, 630000, 651000, 697500, 781200, 813750, 930000, 976500, 1085000, 1220625, 1302000, 1395000, 1627500, 1953000, 2170000, 2441250, 2790000, 3255000, 3906000, 4882500, 6510000, 9765000, 19530000]

約数ペア:

[(1, 19530000), (2, 9765000), (3, 6510000), (4, 4882500), (5, 3906000), (6, 3255000), (7, 2790000), (8, 2441250), (9, 2170000), (10, 1953000), (12, 1627500), (14, 1395000), (15, 1302000), (16, 1220625), (18, 1085000), (20, 976500), (21, 930000), (24, 813750), (25, 781200), (28, 697500), (30, 651000), (31, 630000), (35, 558000), (36, 542500), (40, 488250), (42, 465000), (45, 434000), (48, 406875), (50, 390600), (56, 348750), (60, 325500), (62, 315000), (63, 310000), (70, 279000), (72, 271250), (75, 260400), (80, 244125), (84, 232500), (90, 217000), (93, 210000), (100, 195300), (105, 186000), (112, 174375), (120, 162750), (124, 157500), (125, 156240), (126, 155000), (140, 139500), (144, 135625), (150, 130200), (155, 126000), (168, 116250), (175, 111600), (180, 108500), (186, 105000), (200, 97650), (210, 93000), (217, 90000), (225, 86800), (240, 81375), (248, 78750), (250, 78120), (252, 77500), (279, 70000), (280, 69750), (300, 65100), (310, 63000), (315, 62000), (336, 58125), (350, 55800), (360, 54250), (372, 52500), (375, 52080), (400, 48825), (420, 46500), (434, 45000), (450, 43400), (465, 42000), (496, 39375), (500, 39060), (504, 38750), (525, 37200), (558, 35000), (560, 34875), (600, 32550), (620, 31500), (625, 31248), (630, 31000), (651, 30000), (700, 27900), (720, 27125), (744, 26250), (750, 26040), (775, 25200), (840, 23250), (868, 22500), (875, 22320), (900, 21700), (930, 21000), (1000, 19530), (1008, 19375), (1050, 18600), (1085, 18000), (1116, 17500), (1125, 17360), (1200, 16275), (1240, 15750), (1250, 15624), (1260, 15500), (1302, 15000), (1395, 14000), (1400, 13950), (1488, 13125), (1500, 13020), (1550, 12600), (1575, 12400), (1680, 11625), (1736, 11250), (1750, 11160), (1800, 10850), (1860, 10500), (1875, 10416), (1953, 10000), (2000, 9765), (2100, 9300), (2170, 9000), (2232, 8750), (2250, 8680), (2325, 8400), (2480, 7875), (2500, 7812), (2520, 7750), (2604, 7500), (2625, 7440), (2790, 7000), (2800, 6975), (3000, 6510), (3100, 6300), (3150, 6200), (3255, 6000), (3472, 5625), (3500, 5580), (3600, 5425), (3720, 5250), (3750, 5208), (3875, 5040), (3906, 5000), (4200, 4650), (4340, 4500), (4375, 4464)]