28751760

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 280

約数和(自身を含む): 109780920

約数和(自身を除く): 81029160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 29, 30, 34, 36, 40, 45, 48, 51, 54, 58, 60, 68, 72, 80, 81, 85, 87, 90, 102, 108, 116, 120, 135, 136, 144, 145, 153, 162, 170, 174, 180, 204, 216, 232, 240, 243, 255, 261, 270, 272, 290, 306, 324, 340, 348, 360, 405, 408, 432, 435, 459, 464, 486, 493, 510, 522, 540, 580, 612, 648, 680, 696, 720, 729, 765, 783, 810, 816, 870, 918, 972, 986, 1020, 1044, 1080, 1160, 1215, 1224, 1296, 1305, 1360, 1377, 1392, 1458, 1479, 1530, 1566, 1620, 1740, 1836, 1944, 1972, 2040, 2088, 2160, 2295, 2320, 2349, 2430, 2448, 2465, 2610, 2754, 2916, 2958, 3060, 3132, 3240, 3480, 3645, 3672, 3888, 3915, 3944, 4080, 4131, 4176, 4437, 4590, 4698, 4860, 4930, 5220, 5508, 5832, 5916, 6120, 6264, 6480, 6885, 6960, 7047, 7290, 7344, 7395, 7830, 7888, 8262, 8874, 9180, 9396, 9720, 9860, 10440, 11016, 11664, 11745, 11832, 12240, 12393, 12528, 13311, 13770, 14094, 14580, 14790, 15660, 16524, 17748, 18360, 18792, 19440, 19720, 20655, 20880, 21141, 22032, 22185, 23490, 23664, 24786, 26622, 27540, 28188, 29160, 29580, 31320, 33048, 35235, 35496, 36720, 37584, 39440, 39933, 41310, 42282, 44370, 46980, 49572, 53244, 55080, 56376, 58320, 59160, 61965, 62640, 66096, 66555, 70470, 70992, 79866, 82620, 84564, 88740, 93960, 99144, 105705, 106488, 110160, 112752, 118320, 119799, 123930, 133110, 140940, 159732, 165240, 169128, 177480, 187920, 198288, 199665, 211410, 212976, 239598, 247860, 266220, 281880, 319464, 330480, 338256, 354960, 359397, 399330, 422820, 479196, 495720, 532440, 563760, 598995, 638928, 718794, 798660, 845640, 958392, 991440, 1064880, 1197990, 1437588, 1597320, 1691280, 1796985, 1916784, 2395980, 2875176, 3194640, 3593970, 4791960, 5750352, 7187940, 9583920, 14375880, 28751760]

約数ペア:

[(1, 28751760), (2, 14375880), (3, 9583920), (4, 7187940), (5, 5750352), (6, 4791960), (8, 3593970), (9, 3194640), (10, 2875176), (12, 2395980), (15, 1916784), (16, 1796985), (17, 1691280), (18, 1597320), (20, 1437588), (24, 1197990), (27, 1064880), (29, 991440), (30, 958392), (34, 845640), (36, 798660), (40, 718794), (45, 638928), (48, 598995), (51, 563760), (54, 532440), (58, 495720), (60, 479196), (68, 422820), (72, 399330), (80, 359397), (81, 354960), (85, 338256), (87, 330480), (90, 319464), (102, 281880), (108, 266220), (116, 247860), (120, 239598), (135, 212976), (136, 211410), (144, 199665), (145, 198288), (153, 187920), (162, 177480), (170, 169128), (174, 165240), (180, 159732), (204, 140940), (216, 133110), (232, 123930), (240, 119799), (243, 118320), (255, 112752), (261, 110160), (270, 106488), (272, 105705), (290, 99144), (306, 93960), (324, 88740), (340, 84564), (348, 82620), (360, 79866), (405, 70992), (408, 70470), (432, 66555), (435, 66096), (459, 62640), (464, 61965), (486, 59160), (493, 58320), (510, 56376), (522, 55080), (540, 53244), (580, 49572), (612, 46980), (648, 44370), (680, 42282), (696, 41310), (720, 39933), (729, 39440), (765, 37584), (783, 36720), (810, 35496), (816, 35235), (870, 33048), (918, 31320), (972, 29580), (986, 29160), (1020, 28188), (1044, 27540), (1080, 26622), (1160, 24786), (1215, 23664), (1224, 23490), (1296, 22185), (1305, 22032), (1360, 21141), (1377, 20880), (1392, 20655), (1458, 19720), (1479, 19440), (1530, 18792), (1566, 18360), (1620, 17748), (1740, 16524), (1836, 15660), (1944, 14790), (1972, 14580), (2040, 14094), (2088, 13770), (2160, 13311), (2295, 12528), (2320, 12393), (2349, 12240), (2430, 11832), (2448, 11745), (2465, 11664), (2610, 11016), (2754, 10440), (2916, 9860), (2958, 9720), (3060, 9396), (3132, 9180), (3240, 8874), (3480, 8262), (3645, 7888), (3672, 7830), (3888, 7395), (3915, 7344), (3944, 7290), (4080, 7047), (4131, 6960), (4176, 6885), (4437, 6480), (4590, 6264), (4698, 6120), (4860, 5916), (4930, 5832), (5220, 5508)]