1998449280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6803}}^1$

素因数の和:6848

約数の個数: 256

約数和(自身を含む): 7495286400

約数和(自身を除く): 5496837120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4320, 4590, 4896, 5440, 5760, 6120, 6528, 6803, 7344, 8160, 8640, 9180, 9792, 10880, 12240, 13606, 14688, 16320, 17280, 18360, 19584, 20409, 24480, 27212, 29376, 32640, 34015, 36720, 40818, 48960, 54424, 58752, 61227, 68030, 73440, 81636, 97920, 102045, 108848, 115651, 122454, 136060, 146880, 163272, 183681, 204090, 217696, 231302, 244908, 272120, 293760, 306135, 326544, 346953, 367362, 408180, 435392, 462604, 489816, 544240, 578255, 612270, 653088, 693906, 734724, 816360, 870784, 918405, 925208, 979632, 1040859, 1088480, 1156510, 1224540, 1306176, 1387812, 1469448, 1632720, 1734765, 1836810, 1850416, 1959264, 2081718, 2176960, 2313020, 2449080, 2612352, 2775624, 2938896, 3122577, 3265440, 3469530, 3673620, 3700832, 3918528, 4163436, 4353920, 4626040, 4898160, 5204295, 5551248, 5877792, 6245154, 6530880, 6939060, 7347240, 7401664, 7837056, 8326872, 9252080, 9796320, 10408590, 11102496, 11755584, 12490308, 13061760, 13878120, 14694480, 14803328, 15612885, 16653744, 18504160, 19592640, 20817180, 22204992, 23511168, 24980616, 27756240, 29388960, 31225770, 33307488, 37008320, 39185280, 41634360, 44409984, 49961232, 55512480, 58777920, 62451540, 66614976, 74016640, 83268720, 99922464, 111024960, 117555840, 124903080, 133229952, 166537440, 199844928, 222049920, 249806160, 333074880, 399689856, 499612320, 666149760, 999224640, 1998449280]

約数ペア:

[(1, 1998449280), (2, 999224640), (3, 666149760), (4, 499612320), (5, 399689856), (6, 333074880), (8, 249806160), (9, 222049920), (10, 199844928), (12, 166537440), (15, 133229952), (16, 124903080), (17, 117555840), (18, 111024960), (20, 99922464), (24, 83268720), (27, 74016640), (30, 66614976), (32, 62451540), (34, 58777920), (36, 55512480), (40, 49961232), (45, 44409984), (48, 41634360), (51, 39185280), (54, 37008320), (60, 33307488), (64, 31225770), (68, 29388960), (72, 27756240), (80, 24980616), (85, 23511168), (90, 22204992), (96, 20817180), (102, 19592640), (108, 18504160), (120, 16653744), (128, 15612885), (135, 14803328), (136, 14694480), (144, 13878120), (153, 13061760), (160, 12490308), (170, 11755584), (180, 11102496), (192, 10408590), (204, 9796320), (216, 9252080), (240, 8326872), (255, 7837056), (270, 7401664), (272, 7347240), (288, 6939060), (306, 6530880), (320, 6245154), (340, 5877792), (360, 5551248), (384, 5204295), (408, 4898160), (432, 4626040), (459, 4353920), (480, 4163436), (510, 3918528), (540, 3700832), (544, 3673620), (576, 3469530), (612, 3265440), (640, 3122577), (680, 2938896), (720, 2775624), (765, 2612352), (816, 2449080), (864, 2313020), (918, 2176960), (960, 2081718), (1020, 1959264), (1080, 1850416), (1088, 1836810), (1152, 1734765), (1224, 1632720), (1360, 1469448), (1440, 1387812), (1530, 1306176), (1632, 1224540), (1728, 1156510), (1836, 1088480), (1920, 1040859), (2040, 979632), (2160, 925208), (2176, 918405), (2295, 870784), (2448, 816360), (2720, 734724), (2880, 693906), (3060, 653088), (3264, 612270), (3456, 578255), (3672, 544240), (4080, 489816), (4320, 462604), (4590, 435392), (4896, 408180), (5440, 367362), (5760, 346953), (6120, 326544), (6528, 306135), (6803, 293760), (7344, 272120), (8160, 244908), (8640, 231302), (9180, 217696), (9792, 204090), (10880, 183681), (12240, 163272), (13606, 146880), (14688, 136060), (16320, 122454), (17280, 115651), (18360, 108848), (19584, 102045), (20409, 97920), (24480, 81636), (27212, 73440), (29376, 68030), (32640, 61227), (34015, 58752), (36720, 54424), (40818, 48960)]