647142720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 448

約数和(自身を含む): 2528133120

約数和(自身を除く): 1880990400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 53, 56, 60, 64, 69, 70, 79, 80, 84, 92, 96, 105, 106, 112, 115, 120, 138, 140, 158, 159, 160, 161, 168, 184, 192, 210, 212, 224, 230, 237, 240, 265, 276, 280, 316, 318, 320, 322, 336, 345, 368, 371, 395, 420, 424, 448, 460, 474, 480, 483, 530, 552, 553, 560, 632, 636, 644, 672, 690, 736, 742, 790, 795, 805, 840, 848, 920, 948, 960, 966, 1060, 1104, 1106, 1113, 1120, 1185, 1219, 1264, 1272, 1288, 1344, 1380, 1472, 1484, 1580, 1590, 1610, 1659, 1680, 1696, 1817, 1840, 1855, 1896, 1932, 2120, 2208, 2212, 2226, 2240, 2370, 2415, 2438, 2528, 2544, 2576, 2760, 2765, 2968, 3160, 3180, 3220, 3318, 3360, 3392, 3634, 3657, 3680, 3710, 3792, 3864, 4187, 4240, 4416, 4424, 4452, 4740, 4830, 4876, 5056, 5088, 5152, 5451, 5520, 5530, 5565, 5936, 6095, 6320, 6360, 6440, 6636, 6720, 7268, 7314, 7360, 7420, 7584, 7728, 8295, 8374, 8480, 8533, 8848, 8904, 9085, 9480, 9660, 9752, 10176, 10304, 10902, 11040, 11060, 11130, 11872, 12190, 12561, 12640, 12719, 12720, 12880, 13272, 14536, 14628, 14840, 15168, 15456, 16590, 16748, 16960, 17066, 17696, 17808, 18170, 18285, 18960, 19320, 19504, 20935, 21804, 22080, 22120, 22260, 23744, 24380, 25122, 25280, 25438, 25440, 25599, 25760, 26544, 27255, 29072, 29256, 29309, 29680, 30912, 33180, 33496, 34132, 35392, 35616, 36340, 36570, 37920, 38157, 38640, 39008, 41870, 42665, 43608, 44240, 44520, 48760, 50244, 50876, 50880, 51198, 51520, 53088, 54510, 58144, 58512, 58618, 59360, 62805, 63595, 66360, 66992, 68264, 71232, 72680, 73140, 75840, 76314, 77280, 78016, 83740, 85330, 87216, 87927, 88480, 89040, 96301, 97520, 100488, 101752, 102396, 106176, 109020, 116288, 117024, 117236, 118720, 125610, 127190, 127995, 132720, 133984, 136528, 145360, 146280, 146545, 152628, 154560, 167480, 170660, 174432, 175854, 176960, 178080, 190785, 192602, 195040, 200976, 203504, 204792, 218040, 234048, 234472, 251220, 254380, 255990, 265440, 267968, 273056, 288903, 290720, 292560, 293090, 305256, 334960, 341320, 348864, 351708, 356160, 381570, 385204, 390080, 401952, 407008, 409584, 436080, 439635, 468944, 481505, 502440, 508760, 511980, 530880, 546112, 577806, 581440, 585120, 586180, 610512, 669920, 674107, 682640, 703416, 763140, 770408, 803904, 814016, 819168, 872160, 879270, 937888, 963010, 1004880, 1017520, 1023960, 1155612, 1170240, 1172360, 1221024, 1339840, 1348214, 1365280, 1406832, 1444515, 1526280, 1540816, 1638336, 1744320, 1758540, 1875776, 1926020, 2009760, 2022321, 2035040, 2047920, 2311224, 2344720, 2442048, 2696428, 2730560, 2813664, 2889030, 3052560, 3081632, 3370535, 3517080, 3852040, 4019520, 4044642, 4070080, 4095840, 4622448, 4689440, 5392856, 5627328, 5778060, 6105120, 6163264, 6741070, 7034160, 7704080, 8089284, 8191680, 9244896, 9378880, 10111605, 10785712, 11556120, 12210240, 13482140, 14068320, 15408160, 16178568, 18489792, 20223210, 21571424, 23112240, 26964280, 28136640, 30816320, 32357136, 40446420, 43142848, 46224480, 53928560, 64714272, 80892840, 92448960, 107857120, 129428544, 161785680, 215714240, 323571360, 647142720]

約数ペア:

[(1, 647142720), (2, 323571360), (3, 215714240), (4, 161785680), (5, 129428544), (6, 107857120), (7, 92448960), (8, 80892840), (10, 64714272), (12, 53928560), (14, 46224480), (15, 43142848), (16, 40446420), (20, 32357136), (21, 30816320), (23, 28136640), (24, 26964280), (28, 23112240), (30, 21571424), (32, 20223210), (35, 18489792), (40, 16178568), (42, 15408160), (46, 14068320), (48, 13482140), (53, 12210240), (56, 11556120), (60, 10785712), (64, 10111605), (69, 9378880), (70, 9244896), (79, 8191680), (80, 8089284), (84, 7704080), (92, 7034160), (96, 6741070), (105, 6163264), (106, 6105120), (112, 5778060), (115, 5627328), (120, 5392856), (138, 4689440), (140, 4622448), (158, 4095840), (159, 4070080), (160, 4044642), (161, 4019520), (168, 3852040), (184, 3517080), (192, 3370535), (210, 3081632), (212, 3052560), (224, 2889030), (230, 2813664), (237, 2730560), (240, 2696428), (265, 2442048), (276, 2344720), (280, 2311224), (316, 2047920), (318, 2035040), (320, 2022321), (322, 2009760), (336, 1926020), (345, 1875776), (368, 1758540), (371, 1744320), (395, 1638336), (420, 1540816), (424, 1526280), (448, 1444515), (460, 1406832), (474, 1365280), (480, 1348214), (483, 1339840), (530, 1221024), (552, 1172360), (553, 1170240), (560, 1155612), (632, 1023960), (636, 1017520), (644, 1004880), (672, 963010), (690, 937888), (736, 879270), (742, 872160), (790, 819168), (795, 814016), (805, 803904), (840, 770408), (848, 763140), (920, 703416), (948, 682640), (960, 674107), (966, 669920), (1060, 610512), (1104, 586180), (1106, 585120), (1113, 581440), (1120, 577806), (1185, 546112), (1219, 530880), (1264, 511980), (1272, 508760), (1288, 502440), (1344, 481505), (1380, 468944), (1472, 439635), (1484, 436080), (1580, 409584), (1590, 407008), (1610, 401952), (1659, 390080), (1680, 385204), (1696, 381570), (1817, 356160), (1840, 351708), (1855, 348864), (1896, 341320), (1932, 334960), (2120, 305256), (2208, 293090), (2212, 292560), (2226, 290720), (2240, 288903), (2370, 273056), (2415, 267968), (2438, 265440), (2528, 255990), (2544, 254380), (2576, 251220), (2760, 234472), (2765, 234048), (2968, 218040), (3160, 204792), (3180, 203504), (3220, 200976), (3318, 195040), (3360, 192602), (3392, 190785), (3634, 178080), (3657, 176960), (3680, 175854), (3710, 174432), (3792, 170660), (3864, 167480), (4187, 154560), (4240, 152628), (4416, 146545), (4424, 146280), (4452, 145360), (4740, 136528), (4830, 133984), (4876, 132720), (5056, 127995), (5088, 127190), (5152, 125610), (5451, 118720), (5520, 117236), (5530, 117024), (5565, 116288), (5936, 109020), (6095, 106176), (6320, 102396), (6360, 101752), (6440, 100488), (6636, 97520), (6720, 96301), (7268, 89040), (7314, 88480), (7360, 87927), (7420, 87216), (7584, 85330), (7728, 83740), (8295, 78016), (8374, 77280), (8480, 76314), (8533, 75840), (8848, 73140), (8904, 72680), (9085, 71232), (9480, 68264), (9660, 66992), (9752, 66360), (10176, 63595), (10304, 62805), (10902, 59360), (11040, 58618), (11060, 58512), (11130, 58144), (11872, 54510), (12190, 53088), (12561, 51520), (12640, 51198), (12719, 50880), (12720, 50876), (12880, 50244), (13272, 48760), (14536, 44520), (14628, 44240), (14840, 43608), (15168, 42665), (15456, 41870), (16590, 39008), (16748, 38640), (16960, 38157), (17066, 37920), (17696, 36570), (17808, 36340), (18170, 35616), (18285, 35392), (18960, 34132), (19320, 33496), (19504, 33180), (20935, 30912), (21804, 29680), (22080, 29309), (22120, 29256), (22260, 29072), (23744, 27255), (24380, 26544), (25122, 25760), (25280, 25599), (25438, 25440)]