20484973440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4723}}^1$

素因数の和:5002

約数の個数: 256

約数和(自身を含む): 72855417600

約数和(自身を除く): 52370444160

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 251, 270, 288, 320, 360, 384, 432, 480, 502, 540, 576, 640, 720, 753, 864, 960, 1004, 1080, 1152, 1255, 1440, 1506, 1728, 1920, 2008, 2160, 2259, 2510, 2880, 3012, 3456, 3765, 4016, 4320, 4518, 4723, 5020, 5760, 6024, 6777, 7530, 8032, 8640, 9036, 9446, 10040, 11295, 12048, 13554, 14169, 15060, 16064, 17280, 18072, 18892, 20080, 22590, 23615, 24096, 27108, 28338, 30120, 32128, 33885, 36144, 37784, 40160, 42507, 45180, 47230, 48192, 54216, 56676, 60240, 67770, 70845, 72288, 75568, 80320, 85014, 90360, 94460, 96384, 108432, 113352, 120480, 127521, 135540, 141690, 144576, 151136, 160640, 170028, 180720, 188920, 212535, 216864, 226704, 240960, 255042, 271080, 283380, 289152, 302272, 340056, 361440, 377840, 425070, 433728, 453408, 481920, 510084, 542160, 566760, 604544, 637605, 680112, 722880, 755680, 850140, 867456, 906816, 1020168, 1084320, 1133520, 1185473, 1275210, 1360224, 1445760, 1511360, 1700280, 1813632, 2040336, 2168640, 2267040, 2370946, 2550420, 2720448, 3022720, 3400560, 3556419, 4080672, 4337280, 4534080, 4741892, 5100840, 5440896, 5927365, 6801120, 7112838, 8161344, 9068160, 9483784, 10201680, 10669257, 11854730, 13602240, 14225676, 16322688, 17782095, 18967568, 20403360, 21338514, 23709460, 27204480, 28451352, 32007771, 35564190, 37935136, 40806720, 42677028, 47418920, 53346285, 56902704, 64015542, 71128380, 75870272, 81613440, 85354056, 94837840, 106692570, 113805408, 128031084, 142256760, 151740544, 160038855, 170708112, 189675680, 213385140, 227610816, 256062168, 284513520, 320077710, 341416224, 379351360, 426770280, 455221632, 512124336, 569027040, 640155420, 682832448, 758702720, 853540560, 1024248672, 1138054080, 1280310840, 1365664896, 1707081120, 2048497344, 2276108160, 2560621680, 3414162240, 4096994688, 5121243360, 6828324480, 10242486720, 20484973440]

約数ペア:

[(1, 20484973440), (2, 10242486720), (3, 6828324480), (4, 5121243360), (5, 4096994688), (6, 3414162240), (8, 2560621680), (9, 2276108160), (10, 2048497344), (12, 1707081120), (15, 1365664896), (16, 1280310840), (18, 1138054080), (20, 1024248672), (24, 853540560), (27, 758702720), (30, 682832448), (32, 640155420), (36, 569027040), (40, 512124336), (45, 455221632), (48, 426770280), (54, 379351360), (60, 341416224), (64, 320077710), (72, 284513520), (80, 256062168), (90, 227610816), (96, 213385140), (108, 189675680), (120, 170708112), (128, 160038855), (135, 151740544), (144, 142256760), (160, 128031084), (180, 113805408), (192, 106692570), (216, 94837840), (240, 85354056), (251, 81613440), (270, 75870272), (288, 71128380), (320, 64015542), (360, 56902704), (384, 53346285), (432, 47418920), (480, 42677028), (502, 40806720), (540, 37935136), (576, 35564190), (640, 32007771), (720, 28451352), (753, 27204480), (864, 23709460), (960, 21338514), (1004, 20403360), (1080, 18967568), (1152, 17782095), (1255, 16322688), (1440, 14225676), (1506, 13602240), (1728, 11854730), (1920, 10669257), (2008, 10201680), (2160, 9483784), (2259, 9068160), (2510, 8161344), (2880, 7112838), (3012, 6801120), (3456, 5927365), (3765, 5440896), (4016, 5100840), (4320, 4741892), (4518, 4534080), (4723, 4337280), (5020, 4080672), (5760, 3556419), (6024, 3400560), (6777, 3022720), (7530, 2720448), (8032, 2550420), (8640, 2370946), (9036, 2267040), (9446, 2168640), (10040, 2040336), (11295, 1813632), (12048, 1700280), (13554, 1511360), (14169, 1445760), (15060, 1360224), (16064, 1275210), (17280, 1185473), (18072, 1133520), (18892, 1084320), (20080, 1020168), (22590, 906816), (23615, 867456), (24096, 850140), (27108, 755680), (28338, 722880), (30120, 680112), (32128, 637605), (33885, 604544), (36144, 566760), (37784, 542160), (40160, 510084), (42507, 481920), (45180, 453408), (47230, 433728), (48192, 425070), (54216, 377840), (56676, 361440), (60240, 340056), (67770, 302272), (70845, 289152), (72288, 283380), (75568, 271080), (80320, 255042), (85014, 240960), (90360, 226704), (94460, 216864), (96384, 212535), (108432, 188920), (113352, 180720), (120480, 170028), (127521, 160640), (135540, 151136), (141690, 144576)]