18866400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1123}}^1$

素因数の和:1153

約数の個数: 144

約数和(自身を含む): 70245504

約数和(自身を除く): 51379104

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, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1123, 1200, 1400, 1680, 2100, 2246, 2400, 2800, 3360, 3369, 4200, 4492, 5600, 5615, 6738, 7861, 8400, 8984, 11230, 13476, 15722, 16800, 16845, 17968, 22460, 23583, 26952, 28075, 31444, 33690, 35936, 39305, 44920, 47166, 53904, 56150, 62888, 67380, 78610, 84225, 89840, 94332, 107808, 112300, 117915, 125776, 134760, 157220, 168450, 179680, 188664, 196525, 224600, 235830, 251552, 269520, 314440, 336900, 377328, 393050, 449200, 471660, 539040, 589575, 628880, 673800, 754656, 786100, 898400, 943320, 1179150, 1257760, 1347600, 1572200, 1886640, 2358300, 2695200, 3144400, 3773280, 4716600, 6288800, 9433200, 18866400]

約数ペア:

[(1, 18866400), (2, 9433200), (3, 6288800), (4, 4716600), (5, 3773280), (6, 3144400), (7, 2695200), (8, 2358300), (10, 1886640), (12, 1572200), (14, 1347600), (15, 1257760), (16, 1179150), (20, 943320), (21, 898400), (24, 786100), (25, 754656), (28, 673800), (30, 628880), (32, 589575), (35, 539040), (40, 471660), (42, 449200), (48, 393050), (50, 377328), (56, 336900), (60, 314440), (70, 269520), (75, 251552), (80, 235830), (84, 224600), (96, 196525), (100, 188664), (105, 179680), (112, 168450), (120, 157220), (140, 134760), (150, 125776), (160, 117915), (168, 112300), (175, 107808), (200, 94332), (210, 89840), (224, 84225), (240, 78610), (280, 67380), (300, 62888), (336, 56150), (350, 53904), (400, 47166), (420, 44920), (480, 39305), (525, 35936), (560, 33690), (600, 31444), (672, 28075), (700, 26952), (800, 23583), (840, 22460), (1050, 17968), (1120, 16845), (1123, 16800), (1200, 15722), (1400, 13476), (1680, 11230), (2100, 8984), (2246, 8400), (2400, 7861), (2800, 6738), (3360, 5615), (3369, 5600), (4200, 4492)]