644207424

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 224

約数和(自身を含む): 2034210816

約数和(自身を除く): 1390003392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 64, 71, 84, 86, 96, 112, 129, 142, 157, 168, 172, 192, 213, 224, 258, 284, 301, 314, 336, 344, 426, 448, 471, 497, 516, 568, 602, 628, 672, 688, 852, 903, 942, 994, 1032, 1099, 1136, 1204, 1256, 1344, 1376, 1491, 1704, 1806, 1884, 1988, 2064, 2198, 2272, 2408, 2512, 2752, 2982, 3053, 3297, 3408, 3612, 3768, 3976, 4128, 4396, 4544, 4816, 5024, 5964, 6106, 6594, 6751, 6816, 7224, 7536, 7952, 8256, 8792, 9159, 9632, 10048, 11147, 11928, 12212, 13188, 13502, 13632, 14448, 15072, 15904, 17584, 18318, 19264, 20253, 21371, 22294, 23856, 24424, 26376, 27004, 28896, 30144, 31808, 33441, 35168, 36636, 40506, 42742, 44588, 47257, 47712, 48848, 52752, 54008, 57792, 64113, 66882, 70336, 73272, 78029, 81012, 85484, 89176, 94514, 95424, 97696, 105504, 108016, 128226, 133764, 141771, 146544, 156058, 162024, 170968, 178352, 189028, 195392, 211008, 216032, 234087, 256452, 267528, 283542, 293088, 312116, 324048, 341936, 356704, 378056, 432064, 468174, 479321, 512904, 535056, 567084, 586176, 624232, 648096, 683872, 713408, 756112, 936348, 958642, 1025808, 1070112, 1134168, 1248464, 1296192, 1367744, 1437963, 1512224, 1872696, 1917284, 2051616, 2140224, 2268336, 2496928, 2875926, 3024448, 3355247, 3745392, 3834568, 4103232, 4536672, 4993856, 5751852, 6710494, 7490784, 7669136, 9073344, 10065741, 11503704, 13420988, 14981568, 15338272, 20131482, 23007408, 26841976, 30676544, 40262964, 46014816, 53683952, 80525928, 92029632, 107367904, 161051856, 214735808, 322103712, 644207424]

約数ペア:

[(1, 644207424), (2, 322103712), (3, 214735808), (4, 161051856), (6, 107367904), (7, 92029632), (8, 80525928), (12, 53683952), (14, 46014816), (16, 40262964), (21, 30676544), (24, 26841976), (28, 23007408), (32, 20131482), (42, 15338272), (43, 14981568), (48, 13420988), (56, 11503704), (64, 10065741), (71, 9073344), (84, 7669136), (86, 7490784), (96, 6710494), (112, 5751852), (129, 4993856), (142, 4536672), (157, 4103232), (168, 3834568), (172, 3745392), (192, 3355247), (213, 3024448), (224, 2875926), (258, 2496928), (284, 2268336), (301, 2140224), (314, 2051616), (336, 1917284), (344, 1872696), (426, 1512224), (448, 1437963), (471, 1367744), (497, 1296192), (516, 1248464), (568, 1134168), (602, 1070112), (628, 1025808), (672, 958642), (688, 936348), (852, 756112), (903, 713408), (942, 683872), (994, 648096), (1032, 624232), (1099, 586176), (1136, 567084), (1204, 535056), (1256, 512904), (1344, 479321), (1376, 468174), (1491, 432064), (1704, 378056), (1806, 356704), (1884, 341936), (1988, 324048), (2064, 312116), (2198, 293088), (2272, 283542), (2408, 267528), (2512, 256452), (2752, 234087), (2982, 216032), (3053, 211008), (3297, 195392), (3408, 189028), (3612, 178352), (3768, 170968), (3976, 162024), (4128, 156058), (4396, 146544), (4544, 141771), (4816, 133764), (5024, 128226), (5964, 108016), (6106, 105504), (6594, 97696), (6751, 95424), (6816, 94514), (7224, 89176), (7536, 85484), (7952, 81012), (8256, 78029), (8792, 73272), (9159, 70336), (9632, 66882), (10048, 64113), (11147, 57792), (11928, 54008), (12212, 52752), (13188, 48848), (13502, 47712), (13632, 47257), (14448, 44588), (15072, 42742), (15904, 40506), (17584, 36636), (18318, 35168), (19264, 33441), (20253, 31808), (21371, 30144), (22294, 28896), (23856, 27004), (24424, 26376)]