20798765280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15581}}^1$

素因数の和:15711

約数の個数: 240

約数和(自身を含む): 74119709664

約数和(自身を除く): 53320944384

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, 72, 80, 81, 90, 96, 103, 108, 120, 135, 144, 160, 162, 180, 206, 216, 240, 270, 288, 309, 324, 360, 405, 412, 432, 480, 515, 540, 618, 648, 720, 810, 824, 864, 927, 1030, 1080, 1236, 1296, 1440, 1545, 1620, 1648, 1854, 2060, 2160, 2472, 2592, 2781, 3090, 3240, 3296, 3708, 4120, 4320, 4635, 4944, 5562, 6180, 6480, 7416, 8240, 8343, 9270, 9888, 11124, 12360, 12960, 13905, 14832, 15581, 16480, 16686, 18540, 22248, 24720, 27810, 29664, 31162, 33372, 37080, 41715, 44496, 46743, 49440, 55620, 62324, 66744, 74160, 77905, 83430, 88992, 93486, 111240, 124648, 133488, 140229, 148320, 155810, 166860, 186972, 222480, 233715, 249296, 266976, 280458, 311620, 333720, 373944, 420687, 444960, 467430, 498592, 560916, 623240, 667440, 701145, 747888, 841374, 934860, 1121832, 1246480, 1262061, 1334880, 1402290, 1495776, 1604843, 1682748, 1869720, 2103435, 2243664, 2492960, 2524122, 2804580, 3209686, 3365496, 3739440, 4206870, 4487328, 4814529, 5048244, 5609160, 6310305, 6419372, 6730992, 7478880, 8024215, 8413740, 9629058, 10096488, 11218320, 12620610, 12838744, 13461984, 14443587, 16048430, 16827480, 19258116, 20192976, 22436640, 24072645, 25241220, 25677488, 28887174, 32096860, 33654960, 38516232, 40385952, 43330761, 48145290, 50482440, 51354976, 57774348, 64193720, 67309920, 72217935, 77032464, 86661522, 96290580, 100964880, 115548696, 128387440, 129992283, 144435870, 154064928, 173323044, 192581160, 201929760, 216653805, 231097392, 256774880, 259984566, 288871740, 346646088, 385162320, 433307610, 462194784, 519969132, 577743480, 649961415, 693292176, 770324640, 866615220, 1039938264, 1155486960, 1299922830, 1386584352, 1733230440, 2079876528, 2310973920, 2599845660, 3466460880, 4159753056, 5199691320, 6932921760, 10399382640, 20798765280]

約数ペア:

[(1, 20798765280), (2, 10399382640), (3, 6932921760), (4, 5199691320), (5, 4159753056), (6, 3466460880), (8, 2599845660), (9, 2310973920), (10, 2079876528), (12, 1733230440), (15, 1386584352), (16, 1299922830), (18, 1155486960), (20, 1039938264), (24, 866615220), (27, 770324640), (30, 693292176), (32, 649961415), (36, 577743480), (40, 519969132), (45, 462194784), (48, 433307610), (54, 385162320), (60, 346646088), (72, 288871740), (80, 259984566), (81, 256774880), (90, 231097392), (96, 216653805), (103, 201929760), (108, 192581160), (120, 173323044), (135, 154064928), (144, 144435870), (160, 129992283), (162, 128387440), (180, 115548696), (206, 100964880), (216, 96290580), (240, 86661522), (270, 77032464), (288, 72217935), (309, 67309920), (324, 64193720), (360, 57774348), (405, 51354976), (412, 50482440), (432, 48145290), (480, 43330761), (515, 40385952), (540, 38516232), (618, 33654960), (648, 32096860), (720, 28887174), (810, 25677488), (824, 25241220), (864, 24072645), (927, 22436640), (1030, 20192976), (1080, 19258116), (1236, 16827480), (1296, 16048430), (1440, 14443587), (1545, 13461984), (1620, 12838744), (1648, 12620610), (1854, 11218320), (2060, 10096488), (2160, 9629058), (2472, 8413740), (2592, 8024215), (2781, 7478880), (3090, 6730992), (3240, 6419372), (3296, 6310305), (3708, 5609160), (4120, 5048244), (4320, 4814529), (4635, 4487328), (4944, 4206870), (5562, 3739440), (6180, 3365496), (6480, 3209686), (7416, 2804580), (8240, 2524122), (8343, 2492960), (9270, 2243664), (9888, 2103435), (11124, 1869720), (12360, 1682748), (12960, 1604843), (13905, 1495776), (14832, 1402290), (15581, 1334880), (16480, 1262061), (16686, 1246480), (18540, 1121832), (22248, 934860), (24720, 841374), (27810, 747888), (29664, 701145), (31162, 667440), (33372, 623240), (37080, 560916), (41715, 498592), (44496, 467430), (46743, 444960), (49440, 420687), (55620, 373944), (62324, 333720), (66744, 311620), (74160, 280458), (77905, 266976), (83430, 249296), (88992, 233715), (93486, 222480), (111240, 186972), (124648, 166860), (133488, 155810), (140229, 148320)]