16905840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 62138880

約数和(自身を除く): 45233040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 347, 348, 406, 420, 435, 464, 560, 580, 609, 694, 696, 812, 840, 870, 1015, 1041, 1160, 1218, 1388, 1392, 1624, 1680, 1735, 1740, 2030, 2082, 2320, 2429, 2436, 2776, 3045, 3248, 3470, 3480, 4060, 4164, 4858, 4872, 5205, 5552, 6090, 6940, 6960, 7287, 8120, 8328, 9716, 9744, 10063, 10410, 12145, 12180, 13880, 14574, 16240, 16656, 19432, 20126, 20820, 24290, 24360, 27760, 29148, 30189, 36435, 38864, 40252, 41640, 48580, 48720, 50315, 58296, 60378, 70441, 72870, 80504, 83280, 97160, 100630, 116592, 120756, 140882, 145740, 150945, 161008, 194320, 201260, 211323, 241512, 281764, 291480, 301890, 352205, 402520, 422646, 483024, 563528, 582960, 603780, 704410, 805040, 845292, 1056615, 1127056, 1207560, 1408820, 1690584, 2113230, 2415120, 2817640, 3381168, 4226460, 5635280, 8452920, 16905840]

約数ペア:

[(1, 16905840), (2, 8452920), (3, 5635280), (4, 4226460), (5, 3381168), (6, 2817640), (7, 2415120), (8, 2113230), (10, 1690584), (12, 1408820), (14, 1207560), (15, 1127056), (16, 1056615), (20, 845292), (21, 805040), (24, 704410), (28, 603780), (29, 582960), (30, 563528), (35, 483024), (40, 422646), (42, 402520), (48, 352205), (56, 301890), (58, 291480), (60, 281764), (70, 241512), (80, 211323), (84, 201260), (87, 194320), (105, 161008), (112, 150945), (116, 145740), (120, 140882), (140, 120756), (145, 116592), (168, 100630), (174, 97160), (203, 83280), (210, 80504), (232, 72870), (240, 70441), (280, 60378), (290, 58296), (336, 50315), (347, 48720), (348, 48580), (406, 41640), (420, 40252), (435, 38864), (464, 36435), (560, 30189), (580, 29148), (609, 27760), (694, 24360), (696, 24290), (812, 20820), (840, 20126), (870, 19432), (1015, 16656), (1041, 16240), (1160, 14574), (1218, 13880), (1388, 12180), (1392, 12145), (1624, 10410), (1680, 10063), (1735, 9744), (1740, 9716), (2030, 8328), (2082, 8120), (2320, 7287), (2429, 6960), (2436, 6940), (2776, 6090), (3045, 5552), (3248, 5205), (3470, 4872), (3480, 4858), (4060, 4164)]