51386720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 156473856

約数和(自身を除く): 105087136

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 97, 110, 112, 140, 154, 160, 172, 176, 194, 215, 220, 224, 280, 301, 308, 344, 352, 385, 388, 430, 440, 473, 485, 560, 602, 616, 679, 688, 770, 776, 860, 880, 946, 970, 1067, 1120, 1204, 1232, 1358, 1376, 1505, 1540, 1552, 1720, 1760, 1892, 1940, 2134, 2365, 2408, 2464, 2716, 3010, 3080, 3104, 3311, 3395, 3440, 3784, 3880, 4171, 4268, 4730, 4816, 5335, 5432, 6020, 6160, 6622, 6790, 6880, 7469, 7568, 7760, 8342, 8536, 9460, 9632, 10670, 10864, 12040, 12320, 13244, 13580, 14938, 15136, 15520, 16555, 16684, 17072, 18920, 20855, 21340, 21728, 24080, 26488, 27160, 29197, 29876, 33110, 33368, 34144, 37345, 37840, 41710, 42680, 45881, 48160, 52976, 54320, 58394, 59752, 66220, 66736, 74690, 75680, 83420, 85360, 91762, 105952, 108640, 116788, 119504, 132440, 133472, 145985, 149380, 166840, 170720, 183524, 229405, 233576, 239008, 264880, 291970, 298760, 321167, 333680, 367048, 458810, 467152, 529760, 583940, 597520, 642334, 667360, 734096, 917620, 934304, 1167880, 1195040, 1284668, 1468192, 1605835, 1835240, 2335760, 2569336, 3211670, 3670480, 4671520, 5138672, 6423340, 7340960, 10277344, 12846680, 25693360, 51386720]

約数ペア:

[(1, 51386720), (2, 25693360), (4, 12846680), (5, 10277344), (7, 7340960), (8, 6423340), (10, 5138672), (11, 4671520), (14, 3670480), (16, 3211670), (20, 2569336), (22, 2335760), (28, 1835240), (32, 1605835), (35, 1468192), (40, 1284668), (43, 1195040), (44, 1167880), (55, 934304), (56, 917620), (70, 734096), (77, 667360), (80, 642334), (86, 597520), (88, 583940), (97, 529760), (110, 467152), (112, 458810), (140, 367048), (154, 333680), (160, 321167), (172, 298760), (176, 291970), (194, 264880), (215, 239008), (220, 233576), (224, 229405), (280, 183524), (301, 170720), (308, 166840), (344, 149380), (352, 145985), (385, 133472), (388, 132440), (430, 119504), (440, 116788), (473, 108640), (485, 105952), (560, 91762), (602, 85360), (616, 83420), (679, 75680), (688, 74690), (770, 66736), (776, 66220), (860, 59752), (880, 58394), (946, 54320), (970, 52976), (1067, 48160), (1120, 45881), (1204, 42680), (1232, 41710), (1358, 37840), (1376, 37345), (1505, 34144), (1540, 33368), (1552, 33110), (1720, 29876), (1760, 29197), (1892, 27160), (1940, 26488), (2134, 24080), (2365, 21728), (2408, 21340), (2464, 20855), (2716, 18920), (3010, 17072), (3080, 16684), (3104, 16555), (3311, 15520), (3395, 15136), (3440, 14938), (3784, 13580), (3880, 13244), (4171, 12320), (4268, 12040), (4730, 10864), (4816, 10670), (5335, 9632), (5432, 9460), (6020, 8536), (6160, 8342), (6622, 7760), (6790, 7568), (6880, 7469)]