28903680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 216

約数和(自身を含む): 108254328

約数和(自身を除く): 79350648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 193, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 386, 390, 416, 468, 480, 520, 576, 579, 585, 624, 640, 720, 768, 772, 780, 832, 936, 960, 965, 1040, 1152, 1158, 1170, 1248, 1280, 1440, 1544, 1560, 1664, 1737, 1872, 1920, 1930, 2080, 2304, 2316, 2340, 2496, 2509, 2880, 2895, 3088, 3120, 3328, 3474, 3744, 3840, 3860, 4160, 4632, 4680, 4992, 5018, 5760, 5790, 6176, 6240, 6948, 7488, 7527, 7720, 8320, 8685, 9264, 9360, 9984, 10036, 11520, 11580, 12352, 12480, 12545, 13896, 14976, 15054, 15440, 16640, 17370, 18528, 18720, 20072, 22581, 23160, 24704, 24960, 25090, 27792, 29952, 30108, 30880, 34740, 37056, 37440, 37635, 40144, 45162, 46320, 49408, 49920, 50180, 55584, 60216, 61760, 69480, 74112, 74880, 75270, 80288, 90324, 92640, 100360, 111168, 112905, 120432, 123520, 138960, 148224, 149760, 150540, 160576, 180648, 185280, 200720, 222336, 225810, 240864, 247040, 277920, 301080, 321152, 361296, 370560, 401440, 444672, 451620, 481728, 555840, 602160, 642304, 722592, 741120, 802880, 903240, 963456, 1111680, 1204320, 1445184, 1605760, 1806480, 1926912, 2223360, 2408640, 2890368, 3211520, 3612960, 4817280, 5780736, 7225920, 9634560, 14451840, 28903680]

約数ペア:

[(1, 28903680), (2, 14451840), (3, 9634560), (4, 7225920), (5, 5780736), (6, 4817280), (8, 3612960), (9, 3211520), (10, 2890368), (12, 2408640), (13, 2223360), (15, 1926912), (16, 1806480), (18, 1605760), (20, 1445184), (24, 1204320), (26, 1111680), (30, 963456), (32, 903240), (36, 802880), (39, 741120), (40, 722592), (45, 642304), (48, 602160), (52, 555840), (60, 481728), (64, 451620), (65, 444672), (72, 401440), (78, 370560), (80, 361296), (90, 321152), (96, 301080), (104, 277920), (117, 247040), (120, 240864), (128, 225810), (130, 222336), (144, 200720), (156, 185280), (160, 180648), (180, 160576), (192, 150540), (193, 149760), (195, 148224), (208, 138960), (234, 123520), (240, 120432), (256, 112905), (260, 111168), (288, 100360), (312, 92640), (320, 90324), (360, 80288), (384, 75270), (386, 74880), (390, 74112), (416, 69480), (468, 61760), (480, 60216), (520, 55584), (576, 50180), (579, 49920), (585, 49408), (624, 46320), (640, 45162), (720, 40144), (768, 37635), (772, 37440), (780, 37056), (832, 34740), (936, 30880), (960, 30108), (965, 29952), (1040, 27792), (1152, 25090), (1158, 24960), (1170, 24704), (1248, 23160), (1280, 22581), (1440, 20072), (1544, 18720), (1560, 18528), (1664, 17370), (1737, 16640), (1872, 15440), (1920, 15054), (1930, 14976), (2080, 13896), (2304, 12545), (2316, 12480), (2340, 12352), (2496, 11580), (2509, 11520), (2880, 10036), (2895, 9984), (3088, 9360), (3120, 9264), (3328, 8685), (3474, 8320), (3744, 7720), (3840, 7527), (3860, 7488), (4160, 6948), (4632, 6240), (4680, 6176), (4992, 5790), (5018, 5760)]