18774000

素因数分解:

$2^4\times 3^2\times 5^3\times 7^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 240

約数和(自身を含む): 75441600

約数和(自身を除く): 56667600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 125, 126, 140, 144, 149, 150, 168, 175, 180, 200, 210, 225, 240, 250, 252, 280, 298, 300, 315, 336, 350, 360, 375, 400, 420, 447, 450, 500, 504, 525, 560, 596, 600, 630, 700, 720, 745, 750, 840, 875, 894, 900, 1000, 1008, 1043, 1050, 1125, 1192, 1200, 1260, 1341, 1400, 1490, 1500, 1575, 1680, 1750, 1788, 1800, 2000, 2086, 2100, 2235, 2250, 2384, 2520, 2625, 2682, 2800, 2980, 3000, 3129, 3150, 3500, 3576, 3600, 3725, 4172, 4200, 4470, 4500, 5040, 5215, 5250, 5364, 5960, 6000, 6258, 6300, 6705, 7000, 7152, 7450, 7875, 8344, 8400, 8940, 9000, 9387, 10430, 10500, 10728, 11175, 11920, 12516, 12600, 13410, 14000, 14900, 15645, 15750, 16688, 17880, 18000, 18625, 18774, 20860, 21000, 21456, 22350, 25032, 25200, 26075, 26820, 29800, 31290, 31500, 33525, 35760, 37250, 37548, 41720, 42000, 44700, 46935, 50064, 52150, 53640, 55875, 59600, 62580, 63000, 67050, 74500, 75096, 78225, 83440, 89400, 93870, 104300, 107280, 111750, 125160, 126000, 130375, 134100, 149000, 150192, 156450, 167625, 178800, 187740, 208600, 223500, 234675, 250320, 260750, 268200, 298000, 312900, 335250, 375480, 391125, 417200, 447000, 469350, 521500, 536400, 625800, 670500, 750960, 782250, 894000, 938700, 1043000, 1173375, 1251600, 1341000, 1564500, 1877400, 2086000, 2346750, 2682000, 3129000, 3754800, 4693500, 6258000, 9387000, 18774000]

約数ペア:

[(1, 18774000), (2, 9387000), (3, 6258000), (4, 4693500), (5, 3754800), (6, 3129000), (7, 2682000), (8, 2346750), (9, 2086000), (10, 1877400), (12, 1564500), (14, 1341000), (15, 1251600), (16, 1173375), (18, 1043000), (20, 938700), (21, 894000), (24, 782250), (25, 750960), (28, 670500), (30, 625800), (35, 536400), (36, 521500), (40, 469350), (42, 447000), (45, 417200), (48, 391125), (50, 375480), (56, 335250), (60, 312900), (63, 298000), (70, 268200), (72, 260750), (75, 250320), (80, 234675), (84, 223500), (90, 208600), (100, 187740), (105, 178800), (112, 167625), (120, 156450), (125, 150192), (126, 149000), (140, 134100), (144, 130375), (149, 126000), (150, 125160), (168, 111750), (175, 107280), (180, 104300), (200, 93870), (210, 89400), (225, 83440), (240, 78225), (250, 75096), (252, 74500), (280, 67050), (298, 63000), (300, 62580), (315, 59600), (336, 55875), (350, 53640), (360, 52150), (375, 50064), (400, 46935), (420, 44700), (447, 42000), (450, 41720), (500, 37548), (504, 37250), (525, 35760), (560, 33525), (596, 31500), (600, 31290), (630, 29800), (700, 26820), (720, 26075), (745, 25200), (750, 25032), (840, 22350), (875, 21456), (894, 21000), (900, 20860), (1000, 18774), (1008, 18625), (1043, 18000), (1050, 17880), (1125, 16688), (1192, 15750), (1200, 15645), (1260, 14900), (1341, 14000), (1400, 13410), (1490, 12600), (1500, 12516), (1575, 11920), (1680, 11175), (1750, 10728), (1788, 10500), (1800, 10430), (2000, 9387), (2086, 9000), (2100, 8940), (2235, 8400), (2250, 8344), (2384, 7875), (2520, 7450), (2625, 7152), (2682, 7000), (2800, 6705), (2980, 6300), (3000, 6258), (3129, 6000), (3150, 5960), (3500, 5364), (3576, 5250), (3600, 5215), (3725, 5040), (4172, 4500), (4200, 4470)]