28753038720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{237707}}^1$

素因数の和:237742

約数の個数: 256

約数和(自身を含む): 116381836800

約数和(自身を除く): 87628798080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 237707, 475414, 713121, 950828, 1188535, 1426242, 1663949, 1901656, 2139363, 2377070, 2852484, 3327898, 3565605, 3803312, 4278726, 4754140, 4991847, 5704968, 6418089, 6655796, 7131210, 7606624, 8319745, 8557452, 9508280, 9983694, 10696815, 11409936, 12836178, 13311592, 14262420, 14975541, 15213248, 16639490, 17114904, 19016560, 19967388, 21393630, 22819872, 24959235, 25672356, 26623184, 28524840, 29951082, 30426496, 32090445, 33278980, 34229808, 38033120, 39934776, 42787260, 44926623, 45639744, 49918470, 51344712, 53246368, 57049680, 59902164, 64180890, 66557960, 68459616, 74877705, 76066240, 79869552, 85574520, 89853246, 91279488, 99836940, 102689424, 106492736, 114099360, 119804328, 128361780, 133115920, 136919232, 149755410, 152132480, 159739104, 171149040, 179706492, 199673880, 205378848, 212985472, 224633115, 228198720, 239608656, 256723560, 266231840, 273838464, 299510820, 319478208, 342298080, 359412984, 399347760, 410757696, 449266230, 456397440, 479217312, 513447120, 532463680, 599021640, 638956416, 684596160, 718825968, 798695520, 821515392, 898532460, 958434624, 1026894240, 1064927360, 1198043280, 1369192320, 1437651936, 1597391040, 1797064920, 1916869248, 2053788480, 2396086560, 2875303872, 3194782080, 3594129840, 4107576960, 4792173120, 5750607744, 7188259680, 9584346240, 14376519360, 28753038720]

約数ペア:

[(1, 28753038720), (2, 14376519360), (3, 9584346240), (4, 7188259680), (5, 5750607744), (6, 4792173120), (7, 4107576960), (8, 3594129840), (9, 3194782080), (10, 2875303872), (12, 2396086560), (14, 2053788480), (15, 1916869248), (16, 1797064920), (18, 1597391040), (20, 1437651936), (21, 1369192320), (24, 1198043280), (27, 1064927360), (28, 1026894240), (30, 958434624), (32, 898532460), (35, 821515392), (36, 798695520), (40, 718825968), (42, 684596160), (45, 638956416), (48, 599021640), (54, 532463680), (56, 513447120), (60, 479217312), (63, 456397440), (64, 449266230), (70, 410757696), (72, 399347760), (80, 359412984), (84, 342298080), (90, 319478208), (96, 299510820), (105, 273838464), (108, 266231840), (112, 256723560), (120, 239608656), (126, 228198720), (128, 224633115), (135, 212985472), (140, 205378848), (144, 199673880), (160, 179706492), (168, 171149040), (180, 159739104), (189, 152132480), (192, 149755410), (210, 136919232), (216, 133115920), (224, 128361780), (240, 119804328), (252, 114099360), (270, 106492736), (280, 102689424), (288, 99836940), (315, 91279488), (320, 89853246), (336, 85574520), (360, 79869552), (378, 76066240), (384, 74877705), (420, 68459616), (432, 66557960), (448, 64180890), (480, 59902164), (504, 57049680), (540, 53246368), (560, 51344712), (576, 49918470), (630, 45639744), (640, 44926623), (672, 42787260), (720, 39934776), (756, 38033120), (840, 34229808), (864, 33278980), (896, 32090445), (945, 30426496), (960, 29951082), (1008, 28524840), (1080, 26623184), (1120, 25672356), (1152, 24959235), (1260, 22819872), (1344, 21393630), (1440, 19967388), (1512, 19016560), (1680, 17114904), (1728, 16639490), (1890, 15213248), (1920, 14975541), (2016, 14262420), (2160, 13311592), (2240, 12836178), (2520, 11409936), (2688, 10696815), (2880, 9983694), (3024, 9508280), (3360, 8557452), (3456, 8319745), (3780, 7606624), (4032, 7131210), (4320, 6655796), (4480, 6418089), (5040, 5704968), (5760, 4991847), (6048, 4754140), (6720, 4278726), (7560, 3803312), (8064, 3565605), (8640, 3327898), (10080, 2852484), (12096, 2377070), (13440, 2139363), (15120, 1901656), (17280, 1663949), (20160, 1426242), (24192, 1188535), (30240, 950828), (40320, 713121), (60480, 475414), (120960, 237707)]