15563520

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:227

約数の個数: 216

約数和(自身を含む): 61859616

約数和(自身を除く): 46296096

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, 128, 140, 144, 160, 168, 180, 192, 193, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 386, 420, 448, 480, 504, 560, 576, 579, 630, 640, 672, 720, 768, 772, 840, 896, 960, 965, 1008, 1120, 1152, 1158, 1260, 1280, 1344, 1351, 1440, 1544, 1680, 1737, 1792, 1920, 1930, 2016, 2240, 2304, 2316, 2520, 2688, 2702, 2880, 2895, 3088, 3360, 3474, 3840, 3860, 4032, 4053, 4480, 4632, 5040, 5376, 5404, 5760, 5790, 6176, 6720, 6755, 6948, 7720, 8064, 8106, 8685, 8960, 9264, 10080, 10808, 11520, 11580, 12159, 12352, 13440, 13510, 13896, 15440, 16128, 16212, 17370, 18528, 20160, 20265, 21616, 23160, 24318, 24704, 26880, 27020, 27792, 30880, 32424, 34740, 37056, 40320, 40530, 43232, 46320, 48636, 49408, 54040, 55584, 60795, 61760, 64848, 69480, 74112, 80640, 81060, 86464, 92640, 97272, 108080, 111168, 121590, 123520, 129696, 138960, 148224, 162120, 172928, 185280, 194544, 216160, 222336, 243180, 247040, 259392, 277920, 324240, 345856, 370560, 389088, 432320, 444672, 486360, 518784, 555840, 648480, 741120, 778176, 864640, 972720, 1037568, 1111680, 1296960, 1556352, 1729280, 1945440, 2223360, 2593920, 3112704, 3890880, 5187840, 7781760, 15563520]

約数ペア:

[(1, 15563520), (2, 7781760), (3, 5187840), (4, 3890880), (5, 3112704), (6, 2593920), (7, 2223360), (8, 1945440), (9, 1729280), (10, 1556352), (12, 1296960), (14, 1111680), (15, 1037568), (16, 972720), (18, 864640), (20, 778176), (21, 741120), (24, 648480), (28, 555840), (30, 518784), (32, 486360), (35, 444672), (36, 432320), (40, 389088), (42, 370560), (45, 345856), (48, 324240), (56, 277920), (60, 259392), (63, 247040), (64, 243180), (70, 222336), (72, 216160), (80, 194544), (84, 185280), (90, 172928), (96, 162120), (105, 148224), (112, 138960), (120, 129696), (126, 123520), (128, 121590), (140, 111168), (144, 108080), (160, 97272), (168, 92640), (180, 86464), (192, 81060), (193, 80640), (210, 74112), (224, 69480), (240, 64848), (252, 61760), (256, 60795), (280, 55584), (288, 54040), (315, 49408), (320, 48636), (336, 46320), (360, 43232), (384, 40530), (386, 40320), (420, 37056), (448, 34740), (480, 32424), (504, 30880), (560, 27792), (576, 27020), (579, 26880), (630, 24704), (640, 24318), (672, 23160), (720, 21616), (768, 20265), (772, 20160), (840, 18528), (896, 17370), (960, 16212), (965, 16128), (1008, 15440), (1120, 13896), (1152, 13510), (1158, 13440), (1260, 12352), (1280, 12159), (1344, 11580), (1351, 11520), (1440, 10808), (1544, 10080), (1680, 9264), (1737, 8960), (1792, 8685), (1920, 8106), (1930, 8064), (2016, 7720), (2240, 6948), (2304, 6755), (2316, 6720), (2520, 6176), (2688, 5790), (2702, 5760), (2880, 5404), (2895, 5376), (3088, 5040), (3360, 4632), (3474, 4480), (3840, 4053), (3860, 4032)]