638809788160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1151}}^1$

素因数の和:1471

約数の個数: 288

約数和(自身を含む): 1611284742144

約数和(自身を除く): 972474953984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 197, 248, 256, 284, 310, 320, 355, 394, 496, 568, 620, 640, 710, 788, 985, 992, 1136, 1151, 1240, 1280, 1420, 1576, 1970, 1984, 2201, 2272, 2302, 2480, 2840, 3152, 3940, 3968, 4402, 4544, 4604, 4960, 5680, 5755, 6107, 6304, 7880, 7936, 8804, 9088, 9208, 9920, 11005, 11360, 11510, 12214, 12608, 13987, 15760, 17608, 18176, 18416, 19840, 22010, 22720, 23020, 24428, 25216, 27974, 30535, 31520, 35216, 35681, 36832, 39680, 44020, 45440, 46040, 48856, 50432, 55948, 61070, 63040, 69935, 70432, 71362, 73664, 81721, 88040, 90880, 92080, 97712, 111896, 122140, 126080, 139870, 140864, 142724, 147328, 163442, 176080, 178405, 184160, 195424, 223792, 226747, 244280, 252160, 279740, 281728, 285448, 294656, 326884, 352160, 356810, 368320, 390848, 408605, 433597, 447584, 453494, 488560, 559480, 563456, 570896, 653768, 704320, 713620, 736640, 781696, 817210, 867194, 895168, 906988, 977120, 1118960, 1133735, 1141792, 1307536, 1408640, 1427240, 1473280, 1563392, 1634420, 1734388, 1790336, 1813976, 1954240, 2167985, 2237920, 2267470, 2283584, 2533351, 2615072, 2817280, 2854480, 3268840, 3468776, 3580672, 3627952, 3908480, 4335970, 4475840, 4534940, 4567168, 5066702, 5230144, 5708960, 6537680, 6937552, 7029157, 7255904, 7816960, 8671940, 8951680, 9069880, 9134336, 10133404, 10460288, 11417920, 12666755, 13075360, 13875104, 14058314, 14511808, 16099037, 17343880, 17903360, 18139760, 20266808, 20920576, 22835840, 25333510, 26150720, 27750208, 28116628, 29023616, 32198074, 34687760, 35145785, 36279520, 40533616, 45671680, 50667020, 52301440, 55500416, 56233256, 58047232, 64396148, 69375520, 70291570, 72559040, 80495185, 81067232, 101334040, 104602880, 111000832, 112466512, 128792296, 138751040, 140583140, 145118080, 160990370, 162134464, 202668080, 224933024, 257584592, 277502080, 281166280, 290236160, 321980740, 324268928, 405336160, 449866048, 499070147, 515169184, 555004160, 562332560, 643961480, 648537856, 810672320, 899732096, 998140294, 1030338368, 1124665120, 1287922960, 1621344640, 1799464192, 1996280588, 2060676736, 2249330240, 2495350735, 2575845920, 3242689280, 3992561176, 4121353472, 4498660480, 4990701470, 5151691840, 7985122352, 8997320960, 9981402940, 10303383680, 15970244704, 19962805880, 20606767360, 31940489408, 39925611760, 63880978816, 79851223520, 127761957632, 159702447040, 319404894080, 638809788160]

約数ペア:

[(1, 638809788160), (2, 319404894080), (4, 159702447040), (5, 127761957632), (8, 79851223520), (10, 63880978816), (16, 39925611760), (20, 31940489408), (31, 20606767360), (32, 19962805880), (40, 15970244704), (62, 10303383680), (64, 9981402940), (71, 8997320960), (80, 7985122352), (124, 5151691840), (128, 4990701470), (142, 4498660480), (155, 4121353472), (160, 3992561176), (197, 3242689280), (248, 2575845920), (256, 2495350735), (284, 2249330240), (310, 2060676736), (320, 1996280588), (355, 1799464192), (394, 1621344640), (496, 1287922960), (568, 1124665120), (620, 1030338368), (640, 998140294), (710, 899732096), (788, 810672320), (985, 648537856), (992, 643961480), (1136, 562332560), (1151, 555004160), (1240, 515169184), (1280, 499070147), (1420, 449866048), (1576, 405336160), (1970, 324268928), (1984, 321980740), (2201, 290236160), (2272, 281166280), (2302, 277502080), (2480, 257584592), (2840, 224933024), (3152, 202668080), (3940, 162134464), (3968, 160990370), (4402, 145118080), (4544, 140583140), (4604, 138751040), (4960, 128792296), (5680, 112466512), (5755, 111000832), (6107, 104602880), (6304, 101334040), (7880, 81067232), (7936, 80495185), (8804, 72559040), (9088, 70291570), (9208, 69375520), (9920, 64396148), (11005, 58047232), (11360, 56233256), (11510, 55500416), (12214, 52301440), (12608, 50667020), (13987, 45671680), (15760, 40533616), (17608, 36279520), (18176, 35145785), (18416, 34687760), (19840, 32198074), (22010, 29023616), (22720, 28116628), (23020, 27750208), (24428, 26150720), (25216, 25333510), (27974, 22835840), (30535, 20920576), (31520, 20266808), (35216, 18139760), (35681, 17903360), (36832, 17343880), (39680, 16099037), (44020, 14511808), (45440, 14058314), (46040, 13875104), (48856, 13075360), (50432, 12666755), (55948, 11417920), (61070, 10460288), (63040, 10133404), (69935, 9134336), (70432, 9069880), (71362, 8951680), (73664, 8671940), (81721, 7816960), (88040, 7255904), (90880, 7029157), (92080, 6937552), (97712, 6537680), (111896, 5708960), (122140, 5230144), (126080, 5066702), (139870, 4567168), (140864, 4534940), (142724, 4475840), (147328, 4335970), (163442, 3908480), (176080, 3627952), (178405, 3580672), (184160, 3468776), (195424, 3268840), (223792, 2854480), (226747, 2817280), (244280, 2615072), (252160, 2533351), (279740, 2283584), (281728, 2267470), (285448, 2237920), (294656, 2167985), (326884, 1954240), (352160, 1813976), (356810, 1790336), (368320, 1734388), (390848, 1634420), (408605, 1563392), (433597, 1473280), (447584, 1427240), (453494, 1408640), (488560, 1307536), (559480, 1141792), (563456, 1133735), (570896, 1118960), (653768, 977120), (704320, 906988), (713620, 895168), (736640, 867194), (781696, 817210)]