28812000

素因数分解:

$2^5\times 3^1\times 5^3\times 7^4$

素因数の和:56

約数の個数: 240

約数和(自身を含む): 110112912

約数和(自身を除く): 81300912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 125, 140, 147, 150, 160, 168, 175, 196, 200, 210, 224, 240, 245, 250, 280, 294, 300, 336, 343, 350, 375, 392, 400, 420, 480, 490, 500, 525, 560, 588, 600, 672, 686, 700, 735, 750, 784, 800, 840, 875, 980, 1000, 1029, 1050, 1120, 1176, 1200, 1225, 1372, 1400, 1470, 1500, 1568, 1680, 1715, 1750, 1960, 2000, 2058, 2100, 2352, 2400, 2401, 2450, 2625, 2744, 2800, 2940, 3000, 3360, 3430, 3500, 3675, 3920, 4000, 4116, 4200, 4704, 4802, 4900, 5145, 5250, 5488, 5600, 5880, 6000, 6125, 6860, 7000, 7203, 7350, 7840, 8232, 8400, 8575, 9604, 9800, 10290, 10500, 10976, 11760, 12000, 12005, 12250, 13720, 14000, 14406, 14700, 16464, 16800, 17150, 18375, 19208, 19600, 20580, 21000, 23520, 24010, 24500, 25725, 27440, 28000, 28812, 29400, 32928, 34300, 36015, 36750, 38416, 39200, 41160, 42000, 42875, 48020, 49000, 51450, 54880, 57624, 58800, 60025, 68600, 72030, 73500, 76832, 82320, 84000, 85750, 96040, 98000, 102900, 115248, 117600, 120050, 128625, 137200, 144060, 147000, 164640, 171500, 180075, 192080, 196000, 205800, 230496, 240100, 257250, 274400, 288120, 294000, 300125, 343000, 360150, 384160, 411600, 480200, 514500, 576240, 588000, 600250, 686000, 720300, 823200, 900375, 960400, 1029000, 1152480, 1200500, 1372000, 1440600, 1800750, 1920800, 2058000, 2401000, 2881200, 3601500, 4116000, 4802000, 5762400, 7203000, 9604000, 14406000, 28812000]

約数ペア:

[(1, 28812000), (2, 14406000), (3, 9604000), (4, 7203000), (5, 5762400), (6, 4802000), (7, 4116000), (8, 3601500), (10, 2881200), (12, 2401000), (14, 2058000), (15, 1920800), (16, 1800750), (20, 1440600), (21, 1372000), (24, 1200500), (25, 1152480), (28, 1029000), (30, 960400), (32, 900375), (35, 823200), (40, 720300), (42, 686000), (48, 600250), (49, 588000), (50, 576240), (56, 514500), (60, 480200), (70, 411600), (75, 384160), (80, 360150), (84, 343000), (96, 300125), (98, 294000), (100, 288120), (105, 274400), (112, 257250), (120, 240100), (125, 230496), (140, 205800), (147, 196000), (150, 192080), (160, 180075), (168, 171500), (175, 164640), (196, 147000), (200, 144060), (210, 137200), (224, 128625), (240, 120050), (245, 117600), (250, 115248), (280, 102900), (294, 98000), (300, 96040), (336, 85750), (343, 84000), (350, 82320), (375, 76832), (392, 73500), (400, 72030), (420, 68600), (480, 60025), (490, 58800), (500, 57624), (525, 54880), (560, 51450), (588, 49000), (600, 48020), (672, 42875), (686, 42000), (700, 41160), (735, 39200), (750, 38416), (784, 36750), (800, 36015), (840, 34300), (875, 32928), (980, 29400), (1000, 28812), (1029, 28000), (1050, 27440), (1120, 25725), (1176, 24500), (1200, 24010), (1225, 23520), (1372, 21000), (1400, 20580), (1470, 19600), (1500, 19208), (1568, 18375), (1680, 17150), (1715, 16800), (1750, 16464), (1960, 14700), (2000, 14406), (2058, 14000), (2100, 13720), (2352, 12250), (2400, 12005), (2401, 12000), (2450, 11760), (2625, 10976), (2744, 10500), (2800, 10290), (2940, 9800), (3000, 9604), (3360, 8575), (3430, 8400), (3500, 8232), (3675, 7840), (3920, 7350), (4000, 7203), (4116, 7000), (4200, 6860), (4704, 6125), (4802, 6000), (4900, 5880), (5145, 5600), (5250, 5488)]