28235520

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 288

約数和(自身を含む): 107923200

約数和(自身を除く): 79687680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 43, 45, 48, 54, 57, 60, 64, 72, 76, 80, 86, 90, 95, 96, 108, 114, 120, 128, 129, 135, 144, 152, 160, 171, 172, 180, 190, 192, 215, 216, 228, 240, 256, 258, 270, 285, 288, 304, 320, 342, 344, 360, 380, 384, 387, 430, 432, 456, 480, 513, 516, 540, 570, 576, 608, 640, 645, 684, 688, 720, 760, 768, 774, 817, 855, 860, 864, 912, 960, 1026, 1032, 1080, 1140, 1152, 1161, 1216, 1280, 1290, 1368, 1376, 1440, 1520, 1548, 1634, 1710, 1720, 1728, 1824, 1920, 1935, 2052, 2064, 2160, 2280, 2304, 2322, 2432, 2451, 2565, 2580, 2736, 2752, 2880, 3040, 3096, 3268, 3420, 3440, 3456, 3648, 3840, 3870, 4085, 4104, 4128, 4320, 4560, 4644, 4864, 4902, 5130, 5160, 5472, 5504, 5760, 5805, 6080, 6192, 6536, 6840, 6880, 6912, 7296, 7353, 7740, 8170, 8208, 8256, 8640, 9120, 9288, 9804, 10260, 10320, 10944, 11008, 11520, 11610, 12160, 12255, 12384, 13072, 13680, 13760, 14592, 14706, 15480, 16340, 16416, 16512, 17280, 18240, 18576, 19608, 20520, 20640, 21888, 22059, 23220, 24320, 24510, 24768, 26144, 27360, 27520, 29412, 30960, 32680, 32832, 33024, 34560, 36480, 36765, 37152, 39216, 41040, 41280, 43776, 44118, 46440, 49020, 49536, 52288, 54720, 55040, 58824, 61920, 65360, 65664, 72960, 73530, 74304, 78432, 82080, 82560, 88236, 92880, 98040, 99072, 104576, 109440, 110295, 117648, 123840, 130720, 131328, 147060, 148608, 156864, 164160, 165120, 176472, 185760, 196080, 209152, 218880, 220590, 235296, 247680, 261440, 294120, 297216, 313728, 328320, 352944, 371520, 392160, 441180, 470592, 495360, 522880, 588240, 627456, 656640, 705888, 743040, 784320, 882360, 941184, 1045760, 1176480, 1411776, 1486080, 1568640, 1764720, 1882368, 2352960, 2823552, 3137280, 3529440, 4705920, 5647104, 7058880, 9411840, 14117760, 28235520]

約数ペア:

[(1, 28235520), (2, 14117760), (3, 9411840), (4, 7058880), (5, 5647104), (6, 4705920), (8, 3529440), (9, 3137280), (10, 2823552), (12, 2352960), (15, 1882368), (16, 1764720), (18, 1568640), (19, 1486080), (20, 1411776), (24, 1176480), (27, 1045760), (30, 941184), (32, 882360), (36, 784320), (38, 743040), (40, 705888), (43, 656640), (45, 627456), (48, 588240), (54, 522880), (57, 495360), (60, 470592), (64, 441180), (72, 392160), (76, 371520), (80, 352944), (86, 328320), (90, 313728), (95, 297216), (96, 294120), (108, 261440), (114, 247680), (120, 235296), (128, 220590), (129, 218880), (135, 209152), (144, 196080), (152, 185760), (160, 176472), (171, 165120), (172, 164160), (180, 156864), (190, 148608), (192, 147060), (215, 131328), (216, 130720), (228, 123840), (240, 117648), (256, 110295), (258, 109440), (270, 104576), (285, 99072), (288, 98040), (304, 92880), (320, 88236), (342, 82560), (344, 82080), (360, 78432), (380, 74304), (384, 73530), (387, 72960), (430, 65664), (432, 65360), (456, 61920), (480, 58824), (513, 55040), (516, 54720), (540, 52288), (570, 49536), (576, 49020), (608, 46440), (640, 44118), (645, 43776), (684, 41280), (688, 41040), (720, 39216), (760, 37152), (768, 36765), (774, 36480), (817, 34560), (855, 33024), (860, 32832), (864, 32680), (912, 30960), (960, 29412), (1026, 27520), (1032, 27360), (1080, 26144), (1140, 24768), (1152, 24510), (1161, 24320), (1216, 23220), (1280, 22059), (1290, 21888), (1368, 20640), (1376, 20520), (1440, 19608), (1520, 18576), (1548, 18240), (1634, 17280), (1710, 16512), (1720, 16416), (1728, 16340), (1824, 15480), (1920, 14706), (1935, 14592), (2052, 13760), (2064, 13680), (2160, 13072), (2280, 12384), (2304, 12255), (2322, 12160), (2432, 11610), (2451, 11520), (2565, 11008), (2580, 10944), (2736, 10320), (2752, 10260), (2880, 9804), (3040, 9288), (3096, 9120), (3268, 8640), (3420, 8256), (3440, 8208), (3456, 8170), (3648, 7740), (3840, 7353), (3870, 7296), (4085, 6912), (4104, 6880), (4128, 6840), (4320, 6536), (4560, 6192), (4644, 6080), (4864, 5805), (4902, 5760), (5130, 5504), (5160, 5472)]