28013040

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 107243136

約数和(自身を除く): 79230096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 131, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 243, 262, 264, 270, 297, 324, 330, 360, 393, 396, 405, 432, 440, 486, 495, 524, 528, 540, 594, 648, 655, 660, 720, 786, 792, 810, 880, 891, 972, 990, 1048, 1080, 1179, 1188, 1215, 1296, 1310, 1320, 1441, 1485, 1572, 1584, 1620, 1782, 1944, 1965, 1980, 2096, 2160, 2358, 2376, 2430, 2620, 2640, 2673, 2882, 2970, 3144, 3240, 3537, 3564, 3888, 3930, 3960, 4323, 4455, 4716, 4752, 4860, 5240, 5346, 5764, 5895, 5940, 6288, 6480, 7074, 7128, 7205, 7860, 7920, 8646, 8910, 9432, 9720, 10480, 10611, 10692, 11528, 11790, 11880, 12969, 13365, 14148, 14256, 14410, 15720, 17292, 17685, 17820, 18864, 19440, 21222, 21384, 21615, 23056, 23580, 23760, 25938, 26730, 28296, 28820, 31440, 31833, 34584, 35370, 35640, 38907, 42444, 42768, 43230, 47160, 51876, 53055, 53460, 56592, 57640, 63666, 64845, 69168, 70740, 71280, 77814, 84888, 86460, 94320, 103752, 106110, 106920, 115280, 116721, 127332, 129690, 141480, 155628, 159165, 169776, 172920, 194535, 207504, 212220, 213840, 233442, 254664, 259380, 282960, 311256, 318330, 345840, 350163, 389070, 424440, 466884, 509328, 518760, 583605, 622512, 636660, 700326, 778140, 848880, 933768, 1037520, 1167210, 1273320, 1400652, 1556280, 1750815, 1867536, 2334420, 2546640, 2801304, 3112560, 3501630, 4668840, 5602608, 7003260, 9337680, 14006520, 28013040]

約数ペア:

[(1, 28013040), (2, 14006520), (3, 9337680), (4, 7003260), (5, 5602608), (6, 4668840), (8, 3501630), (9, 3112560), (10, 2801304), (11, 2546640), (12, 2334420), (15, 1867536), (16, 1750815), (18, 1556280), (20, 1400652), (22, 1273320), (24, 1167210), (27, 1037520), (30, 933768), (33, 848880), (36, 778140), (40, 700326), (44, 636660), (45, 622512), (48, 583605), (54, 518760), (55, 509328), (60, 466884), (66, 424440), (72, 389070), (80, 350163), (81, 345840), (88, 318330), (90, 311256), (99, 282960), (108, 259380), (110, 254664), (120, 233442), (131, 213840), (132, 212220), (135, 207504), (144, 194535), (162, 172920), (165, 169776), (176, 159165), (180, 155628), (198, 141480), (216, 129690), (220, 127332), (240, 116721), (243, 115280), (262, 106920), (264, 106110), (270, 103752), (297, 94320), (324, 86460), (330, 84888), (360, 77814), (393, 71280), (396, 70740), (405, 69168), (432, 64845), (440, 63666), (486, 57640), (495, 56592), (524, 53460), (528, 53055), (540, 51876), (594, 47160), (648, 43230), (655, 42768), (660, 42444), (720, 38907), (786, 35640), (792, 35370), (810, 34584), (880, 31833), (891, 31440), (972, 28820), (990, 28296), (1048, 26730), (1080, 25938), (1179, 23760), (1188, 23580), (1215, 23056), (1296, 21615), (1310, 21384), (1320, 21222), (1441, 19440), (1485, 18864), (1572, 17820), (1584, 17685), (1620, 17292), (1782, 15720), (1944, 14410), (1965, 14256), (1980, 14148), (2096, 13365), (2160, 12969), (2358, 11880), (2376, 11790), (2430, 11528), (2620, 10692), (2640, 10611), (2673, 10480), (2882, 9720), (2970, 9432), (3144, 8910), (3240, 8646), (3537, 7920), (3564, 7860), (3888, 7205), (3930, 7128), (3960, 7074), (4323, 6480), (4455, 6288), (4716, 5940), (4752, 5895), (4860, 5764), (5240, 5346)]