256877040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1559

約数の個数: 160

約数和(自身を含む): 919226880

約数和(自身を除く): 662349840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 107, 112, 120, 140, 168, 210, 214, 240, 280, 321, 336, 420, 428, 535, 560, 642, 749, 840, 856, 1070, 1284, 1429, 1498, 1605, 1680, 1712, 2140, 2247, 2568, 2858, 2996, 3210, 3745, 4280, 4287, 4494, 5136, 5716, 5992, 6420, 7145, 7490, 8560, 8574, 8988, 10003, 11235, 11432, 11984, 12840, 14290, 14980, 17148, 17976, 20006, 21435, 22470, 22864, 25680, 28580, 29960, 30009, 34296, 35952, 40012, 42870, 44940, 50015, 57160, 59920, 60018, 68592, 80024, 85740, 89880, 100030, 114320, 120036, 150045, 152903, 160048, 171480, 179760, 200060, 240072, 300090, 305806, 342960, 400120, 458709, 480144, 600180, 611612, 764515, 800240, 917418, 1070321, 1200360, 1223224, 1529030, 1834836, 2140642, 2293545, 2400720, 2446448, 3058060, 3210963, 3669672, 4281284, 4587090, 5351605, 6116120, 6421926, 7339344, 8562568, 9174180, 10703210, 12232240, 12843852, 16054815, 17125136, 18348360, 21406420, 25687704, 32109630, 36696720, 42812840, 51375408, 64219260, 85625680, 128438520, 256877040]

約数ペア:

[(1, 256877040), (2, 128438520), (3, 85625680), (4, 64219260), (5, 51375408), (6, 42812840), (7, 36696720), (8, 32109630), (10, 25687704), (12, 21406420), (14, 18348360), (15, 17125136), (16, 16054815), (20, 12843852), (21, 12232240), (24, 10703210), (28, 9174180), (30, 8562568), (35, 7339344), (40, 6421926), (42, 6116120), (48, 5351605), (56, 4587090), (60, 4281284), (70, 3669672), (80, 3210963), (84, 3058060), (105, 2446448), (107, 2400720), (112, 2293545), (120, 2140642), (140, 1834836), (168, 1529030), (210, 1223224), (214, 1200360), (240, 1070321), (280, 917418), (321, 800240), (336, 764515), (420, 611612), (428, 600180), (535, 480144), (560, 458709), (642, 400120), (749, 342960), (840, 305806), (856, 300090), (1070, 240072), (1284, 200060), (1429, 179760), (1498, 171480), (1605, 160048), (1680, 152903), (1712, 150045), (2140, 120036), (2247, 114320), (2568, 100030), (2858, 89880), (2996, 85740), (3210, 80024), (3745, 68592), (4280, 60018), (4287, 59920), (4494, 57160), (5136, 50015), (5716, 44940), (5992, 42870), (6420, 40012), (7145, 35952), (7490, 34296), (8560, 30009), (8574, 29960), (8988, 28580), (10003, 25680), (11235, 22864), (11432, 22470), (11984, 21435), (12840, 20006), (14290, 17976), (14980, 17148)]