20518064640

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{32983}}^1$

素因数の和:33021

約数の個数: 240

約数和(自身を含む): 73693908288

約数和(自身を除く): 53175843648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2880, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5184, 5760, 6480, 6912, 7680, 7776, 8640, 9720, 10368, 11520, 12960, 13824, 15552, 17280, 19440, 20736, 23040, 25920, 31104, 32983, 34560, 38880, 41472, 51840, 62208, 65966, 69120, 77760, 98949, 103680, 124416, 131932, 155520, 164915, 197898, 207360, 263864, 296847, 311040, 329830, 395796, 494745, 527728, 593694, 622080, 659660, 791592, 890541, 989490, 1055456, 1187388, 1319320, 1484235, 1583184, 1781082, 1978980, 2110912, 2374776, 2638640, 2671623, 2968470, 3166368, 3562164, 3957960, 4221824, 4452705, 4749552, 5277280, 5343246, 5936940, 6332736, 7124328, 7915920, 8014869, 8443648, 8905410, 9499104, 10554560, 10686492, 11873880, 12665472, 13358115, 14248656, 15831840, 16029738, 16887296, 17810820, 18998208, 21109120, 21372984, 23747760, 25330944, 26716230, 28497312, 31663680, 32059476, 35621640, 37996416, 40074345, 42218240, 42745968, 47495520, 50661888, 53432460, 56994624, 63327360, 64118952, 71243280, 75992832, 80148690, 84436480, 85491936, 94991040, 106864920, 113989248, 126654720, 128237904, 142486560, 151985664, 160297380, 170983872, 189982080, 213729840, 227978496, 253309440, 256475808, 284973120, 320594760, 341967744, 379964160, 427459680, 455956992, 512951616, 569946240, 641189520, 683935488, 759928320, 854919360, 1025903232, 1139892480, 1282379040, 1367870976, 1709838720, 2051806464, 2279784960, 2564758080, 3419677440, 4103612928, 5129516160, 6839354880, 10259032320, 20518064640]

約数ペア:

[(1, 20518064640), (2, 10259032320), (3, 6839354880), (4, 5129516160), (5, 4103612928), (6, 3419677440), (8, 2564758080), (9, 2279784960), (10, 2051806464), (12, 1709838720), (15, 1367870976), (16, 1282379040), (18, 1139892480), (20, 1025903232), (24, 854919360), (27, 759928320), (30, 683935488), (32, 641189520), (36, 569946240), (40, 512951616), (45, 455956992), (48, 427459680), (54, 379964160), (60, 341967744), (64, 320594760), (72, 284973120), (80, 256475808), (81, 253309440), (90, 227978496), (96, 213729840), (108, 189982080), (120, 170983872), (128, 160297380), (135, 151985664), (144, 142486560), (160, 128237904), (162, 126654720), (180, 113989248), (192, 106864920), (216, 94991040), (240, 85491936), (243, 84436480), (256, 80148690), (270, 75992832), (288, 71243280), (320, 64118952), (324, 63327360), (360, 56994624), (384, 53432460), (405, 50661888), (432, 47495520), (480, 42745968), (486, 42218240), (512, 40074345), (540, 37996416), (576, 35621640), (640, 32059476), (648, 31663680), (720, 28497312), (768, 26716230), (810, 25330944), (864, 23747760), (960, 21372984), (972, 21109120), (1080, 18998208), (1152, 17810820), (1215, 16887296), (1280, 16029738), (1296, 15831840), (1440, 14248656), (1536, 13358115), (1620, 12665472), (1728, 11873880), (1920, 10686492), (1944, 10554560), (2160, 9499104), (2304, 8905410), (2430, 8443648), (2560, 8014869), (2592, 7915920), (2880, 7124328), (3240, 6332736), (3456, 5936940), (3840, 5343246), (3888, 5277280), (4320, 4749552), (4608, 4452705), (4860, 4221824), (5184, 3957960), (5760, 3562164), (6480, 3166368), (6912, 2968470), (7680, 2671623), (7776, 2638640), (8640, 2374776), (9720, 2110912), (10368, 1978980), (11520, 1781082), (12960, 1583184), (13824, 1484235), (15552, 1319320), (17280, 1187388), (19440, 1055456), (20736, 989490), (23040, 890541), (25920, 791592), (31104, 659660), (32983, 622080), (34560, 593694), (38880, 527728), (41472, 494745), (51840, 395796), (62208, 329830), (65966, 311040), (69120, 296847), (77760, 263864), (98949, 207360), (103680, 197898), (124416, 164915), (131932, 155520)]