28808640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1459

約数の個数: 168

約数和(自身を含む): 113324640

約数和(自身を除く): 84516000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1429, 1440, 1680, 2016, 2240, 2520, 2858, 2880, 3360, 4032, 4287, 5040, 5716, 6720, 7145, 8574, 10003, 10080, 11432, 12861, 14290, 17148, 20006, 20160, 21435, 22864, 25722, 28580, 30009, 34296, 40012, 42870, 45728, 50015, 51444, 57160, 60018, 64305, 68592, 80024, 85740, 90027, 91456, 100030, 102888, 114320, 120036, 128610, 137184, 150045, 160048, 171480, 180054, 200060, 205776, 228640, 240072, 257220, 274368, 300090, 320096, 342960, 360108, 400120, 411552, 450135, 457280, 480144, 514440, 600180, 640192, 685920, 720216, 800240, 823104, 900270, 960288, 1028880, 1200360, 1371840, 1440432, 1600480, 1800540, 1920576, 2057760, 2400720, 2880864, 3200960, 3601080, 4115520, 4801440, 5761728, 7202160, 9602880, 14404320, 28808640]

約数ペア:

[(1, 28808640), (2, 14404320), (3, 9602880), (4, 7202160), (5, 5761728), (6, 4801440), (7, 4115520), (8, 3601080), (9, 3200960), (10, 2880864), (12, 2400720), (14, 2057760), (15, 1920576), (16, 1800540), (18, 1600480), (20, 1440432), (21, 1371840), (24, 1200360), (28, 1028880), (30, 960288), (32, 900270), (35, 823104), (36, 800240), (40, 720216), (42, 685920), (45, 640192), (48, 600180), (56, 514440), (60, 480144), (63, 457280), (64, 450135), (70, 411552), (72, 400120), (80, 360108), (84, 342960), (90, 320096), (96, 300090), (105, 274368), (112, 257220), (120, 240072), (126, 228640), (140, 205776), (144, 200060), (160, 180054), (168, 171480), (180, 160048), (192, 150045), (210, 137184), (224, 128610), (240, 120036), (252, 114320), (280, 102888), (288, 100030), (315, 91456), (320, 90027), (336, 85740), (360, 80024), (420, 68592), (448, 64305), (480, 60018), (504, 57160), (560, 51444), (576, 50015), (630, 45728), (672, 42870), (720, 40012), (840, 34296), (960, 30009), (1008, 28580), (1120, 25722), (1260, 22864), (1344, 21435), (1429, 20160), (1440, 20006), (1680, 17148), (2016, 14290), (2240, 12861), (2520, 11432), (2858, 10080), (2880, 10003), (3360, 8574), (4032, 7145), (4287, 6720), (5040, 5716)]