20010240

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{193}}^1$

素因数の和:226

約数の個数: 180

約数和(自身を含む): 71971284

約数和(自身を除く): 51961044

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 193, 216, 240, 256, 270, 288, 320, 324, 360, 384, 386, 405, 432, 480, 540, 576, 579, 640, 648, 720, 768, 772, 810, 864, 960, 965, 1080, 1152, 1158, 1280, 1296, 1440, 1544, 1620, 1728, 1737, 1920, 1930, 2160, 2304, 2316, 2592, 2880, 2895, 3088, 3240, 3456, 3474, 3840, 3860, 4320, 4632, 5184, 5211, 5760, 5790, 6176, 6480, 6912, 6948, 7720, 8640, 8685, 9264, 10368, 10422, 11520, 11580, 12352, 12960, 13896, 15440, 15633, 17280, 17370, 18528, 20736, 20844, 23160, 24704, 25920, 26055, 27792, 30880, 31266, 34560, 34740, 37056, 41688, 46320, 49408, 51840, 52110, 55584, 61760, 62532, 69480, 74112, 78165, 83376, 92640, 103680, 104220, 111168, 123520, 125064, 138960, 148224, 156330, 166752, 185280, 208440, 222336, 247040, 250128, 277920, 312660, 333504, 370560, 416880, 444672, 500256, 555840, 625320, 667008, 741120, 833760, 1000512, 1111680, 1250640, 1334016, 1667520, 2001024, 2223360, 2501280, 3335040, 4002048, 5002560, 6670080, 10005120, 20010240]

約数ペア:

[(1, 20010240), (2, 10005120), (3, 6670080), (4, 5002560), (5, 4002048), (6, 3335040), (8, 2501280), (9, 2223360), (10, 2001024), (12, 1667520), (15, 1334016), (16, 1250640), (18, 1111680), (20, 1000512), (24, 833760), (27, 741120), (30, 667008), (32, 625320), (36, 555840), (40, 500256), (45, 444672), (48, 416880), (54, 370560), (60, 333504), (64, 312660), (72, 277920), (80, 250128), (81, 247040), (90, 222336), (96, 208440), (108, 185280), (120, 166752), (128, 156330), (135, 148224), (144, 138960), (160, 125064), (162, 123520), (180, 111168), (192, 104220), (193, 103680), (216, 92640), (240, 83376), (256, 78165), (270, 74112), (288, 69480), (320, 62532), (324, 61760), (360, 55584), (384, 52110), (386, 51840), (405, 49408), (432, 46320), (480, 41688), (540, 37056), (576, 34740), (579, 34560), (640, 31266), (648, 30880), (720, 27792), (768, 26055), (772, 25920), (810, 24704), (864, 23160), (960, 20844), (965, 20736), (1080, 18528), (1152, 17370), (1158, 17280), (1280, 15633), (1296, 15440), (1440, 13896), (1544, 12960), (1620, 12352), (1728, 11580), (1737, 11520), (1920, 10422), (1930, 10368), (2160, 9264), (2304, 8685), (2316, 8640), (2592, 7720), (2880, 6948), (2895, 6912), (3088, 6480), (3240, 6176), (3456, 5790), (3474, 5760), (3840, 5211), (3860, 5184), (4320, 4632)]