721721664

素因数分解:

$2^6\times 3^6\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 196

約数和(自身を含む): 2220976000

約数和(自身を除く): 1499254336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 144, 162, 186, 192, 216, 243, 248, 279, 288, 324, 372, 432, 486, 496, 499, 558, 576, 648, 729, 744, 837, 864, 972, 992, 998, 1116, 1296, 1458, 1488, 1497, 1674, 1728, 1944, 1984, 1996, 2232, 2511, 2592, 2916, 2976, 2994, 3348, 3888, 3992, 4464, 4491, 5022, 5184, 5832, 5952, 5988, 6696, 7533, 7776, 7984, 8928, 8982, 10044, 11664, 11976, 13392, 13473, 15066, 15469, 15552, 15968, 17856, 17964, 20088, 22599, 23328, 23952, 26784, 26946, 30132, 30938, 31936, 35928, 40176, 40419, 45198, 46407, 46656, 47904, 53568, 53892, 60264, 61876, 71856, 80352, 80838, 90396, 92814, 95808, 107784, 120528, 121257, 123752, 139221, 143712, 160704, 161676, 180792, 185628, 215568, 241056, 242514, 247504, 278442, 287424, 323352, 361584, 363771, 371256, 417663, 431136, 482112, 485028, 495008, 556884, 646704, 723168, 727542, 742512, 835326, 862272, 970056, 990016, 1113768, 1252989, 1293408, 1446336, 1455084, 1485024, 1670652, 1940112, 2227536, 2505978, 2586816, 2910168, 2970048, 3341304, 3758967, 3880224, 4455072, 5011956, 5820336, 6682608, 7517934, 7760448, 8910144, 10023912, 11276901, 11640672, 13365216, 15035868, 20047824, 22553802, 23281344, 26730432, 30071736, 40095648, 45107604, 60143472, 80191296, 90215208, 120286944, 180430416, 240573888, 360860832, 721721664]

約数ペア:

[(1, 721721664), (2, 360860832), (3, 240573888), (4, 180430416), (6, 120286944), (8, 90215208), (9, 80191296), (12, 60143472), (16, 45107604), (18, 40095648), (24, 30071736), (27, 26730432), (31, 23281344), (32, 22553802), (36, 20047824), (48, 15035868), (54, 13365216), (62, 11640672), (64, 11276901), (72, 10023912), (81, 8910144), (93, 7760448), (96, 7517934), (108, 6682608), (124, 5820336), (144, 5011956), (162, 4455072), (186, 3880224), (192, 3758967), (216, 3341304), (243, 2970048), (248, 2910168), (279, 2586816), (288, 2505978), (324, 2227536), (372, 1940112), (432, 1670652), (486, 1485024), (496, 1455084), (499, 1446336), (558, 1293408), (576, 1252989), (648, 1113768), (729, 990016), (744, 970056), (837, 862272), (864, 835326), (972, 742512), (992, 727542), (998, 723168), (1116, 646704), (1296, 556884), (1458, 495008), (1488, 485028), (1497, 482112), (1674, 431136), (1728, 417663), (1944, 371256), (1984, 363771), (1996, 361584), (2232, 323352), (2511, 287424), (2592, 278442), (2916, 247504), (2976, 242514), (2994, 241056), (3348, 215568), (3888, 185628), (3992, 180792), (4464, 161676), (4491, 160704), (5022, 143712), (5184, 139221), (5832, 123752), (5952, 121257), (5988, 120528), (6696, 107784), (7533, 95808), (7776, 92814), (7984, 90396), (8928, 80838), (8982, 80352), (10044, 71856), (11664, 61876), (11976, 60264), (13392, 53892), (13473, 53568), (15066, 47904), (15469, 46656), (15552, 46407), (15968, 45198), (17856, 40419), (17964, 40176), (20088, 35928), (22599, 31936), (23328, 30938), (23952, 30132), (26784, 26946)]