20794605440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6959}}^1$

素因数の和:7037

約数の個数: 256

約数和(自身を含む): 61337088000

約数和(自身を除く): 40542482560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 64, 70, 80, 92, 112, 115, 116, 128, 140, 145, 160, 161, 184, 203, 224, 230, 232, 280, 290, 320, 322, 368, 406, 448, 460, 464, 560, 580, 640, 644, 667, 736, 805, 812, 896, 920, 928, 1015, 1120, 1160, 1288, 1334, 1472, 1610, 1624, 1840, 1856, 2030, 2240, 2320, 2576, 2668, 2944, 3220, 3248, 3335, 3680, 3712, 4060, 4480, 4640, 4669, 5152, 5336, 6440, 6496, 6670, 6959, 7360, 8120, 9280, 9338, 10304, 10672, 12880, 12992, 13340, 13918, 14720, 16240, 18560, 18676, 20608, 21344, 23345, 25760, 25984, 26680, 27836, 32480, 34795, 37352, 42688, 46690, 48713, 51520, 53360, 55672, 64960, 69590, 74704, 85376, 93380, 97426, 103040, 106720, 111344, 129920, 139180, 149408, 160057, 186760, 194852, 201811, 213440, 222688, 243565, 278360, 298816, 320114, 373520, 389704, 403622, 426880, 445376, 487130, 556720, 597632, 640228, 747040, 779408, 800285, 807244, 890752, 974260, 1009055, 1113440, 1120399, 1280456, 1412677, 1494080, 1558816, 1600570, 1614488, 1948520, 2018110, 2226880, 2240798, 2560912, 2825354, 2988160, 3117632, 3201140, 3228976, 3897040, 4036220, 4453760, 4481596, 4641653, 5121824, 5601995, 5650708, 6235264, 6402280, 6457952, 7063385, 7794080, 8072440, 8963192, 9283306, 10243648, 11203990, 11301416, 12804560, 12915904, 14126770, 15588160, 16144880, 17926384, 18566612, 20487296, 22407980, 22602832, 23208265, 25609120, 25831808, 28253540, 31176320, 32289760, 32491571, 35852768, 37133224, 44815960, 45205664, 46416530, 51218240, 56507080, 64579520, 64983142, 71705536, 74266448, 89631920, 90411328, 92833060, 102436480, 113014160, 129159040, 129966284, 143411072, 148532896, 162457855, 179263840, 180822656, 185666120, 226028320, 259932568, 297065792, 324915710, 358527680, 371332240, 452056640, 519865136, 594131584, 649831420, 717055360, 742664480, 904113280, 1039730272, 1299662840, 1485328960, 2079460544, 2599325680, 2970657920, 4158921088, 5198651360, 10397302720, 20794605440]

約数ペア:

[(1, 20794605440), (2, 10397302720), (4, 5198651360), (5, 4158921088), (7, 2970657920), (8, 2599325680), (10, 2079460544), (14, 1485328960), (16, 1299662840), (20, 1039730272), (23, 904113280), (28, 742664480), (29, 717055360), (32, 649831420), (35, 594131584), (40, 519865136), (46, 452056640), (56, 371332240), (58, 358527680), (64, 324915710), (70, 297065792), (80, 259932568), (92, 226028320), (112, 185666120), (115, 180822656), (116, 179263840), (128, 162457855), (140, 148532896), (145, 143411072), (160, 129966284), (161, 129159040), (184, 113014160), (203, 102436480), (224, 92833060), (230, 90411328), (232, 89631920), (280, 74266448), (290, 71705536), (320, 64983142), (322, 64579520), (368, 56507080), (406, 51218240), (448, 46416530), (460, 45205664), (464, 44815960), (560, 37133224), (580, 35852768), (640, 32491571), (644, 32289760), (667, 31176320), (736, 28253540), (805, 25831808), (812, 25609120), (896, 23208265), (920, 22602832), (928, 22407980), (1015, 20487296), (1120, 18566612), (1160, 17926384), (1288, 16144880), (1334, 15588160), (1472, 14126770), (1610, 12915904), (1624, 12804560), (1840, 11301416), (1856, 11203990), (2030, 10243648), (2240, 9283306), (2320, 8963192), (2576, 8072440), (2668, 7794080), (2944, 7063385), (3220, 6457952), (3248, 6402280), (3335, 6235264), (3680, 5650708), (3712, 5601995), (4060, 5121824), (4480, 4641653), (4640, 4481596), (4669, 4453760), (5152, 4036220), (5336, 3897040), (6440, 3228976), (6496, 3201140), (6670, 3117632), (6959, 2988160), (7360, 2825354), (8120, 2560912), (9280, 2240798), (9338, 2226880), (10304, 2018110), (10672, 1948520), (12880, 1614488), (12992, 1600570), (13340, 1558816), (13918, 1494080), (14720, 1412677), (16240, 1280456), (18560, 1120399), (18676, 1113440), (20608, 1009055), (21344, 974260), (23345, 890752), (25760, 807244), (25984, 800285), (26680, 779408), (27836, 747040), (32480, 640228), (34795, 597632), (37352, 556720), (42688, 487130), (46690, 445376), (48713, 426880), (51520, 403622), (53360, 389704), (55672, 373520), (64960, 320114), (69590, 298816), (74704, 278360), (85376, 243565), (93380, 222688), (97426, 213440), (103040, 201811), (106720, 194852), (111344, 186760), (129920, 160057), (139180, 149408)]