640767024

素因数分解:

$2^4\times 3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 200

約数和(自身を含む): 1966124160

約数和(自身を除く): 1325357136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 41, 48, 54, 62, 72, 81, 82, 93, 108, 123, 124, 144, 162, 164, 186, 216, 246, 248, 279, 324, 328, 369, 372, 389, 432, 492, 496, 558, 648, 656, 738, 744, 778, 837, 984, 1107, 1116, 1167, 1271, 1296, 1476, 1488, 1556, 1674, 1968, 2214, 2232, 2334, 2511, 2542, 2952, 3112, 3321, 3348, 3501, 3813, 4428, 4464, 4668, 5022, 5084, 5904, 6224, 6642, 6696, 7002, 7626, 8856, 9336, 10044, 10168, 10503, 11439, 12059, 13284, 13392, 14004, 15252, 15949, 17712, 18672, 20088, 20336, 21006, 22878, 24118, 26568, 28008, 30504, 31509, 31898, 34317, 36177, 40176, 42012, 45756, 47847, 48236, 53136, 56016, 61008, 63018, 63796, 68634, 72354, 84024, 91512, 95694, 96472, 102951, 108531, 126036, 127592, 137268, 143541, 144708, 168048, 183024, 191388, 192944, 205902, 217062, 252072, 255184, 274536, 287082, 289416, 325593, 382776, 411804, 430623, 434124, 494419, 504144, 549072, 574164, 578832, 651186, 765552, 823608, 861246, 868248, 976779, 988838, 1148328, 1291869, 1302372, 1483257, 1647216, 1722492, 1736496, 1953558, 1977676, 2296656, 2583738, 2604744, 2966514, 3444984, 3907116, 3955352, 4449771, 5167476, 5209488, 5933028, 6889968, 7814232, 7910704, 8899542, 10334952, 11866056, 13349313, 15628464, 17799084, 20669904, 23732112, 26698626, 35598168, 40047939, 53397252, 71196336, 80095878, 106794504, 160191756, 213589008, 320383512, 640767024]

約数ペア:

[(1, 640767024), (2, 320383512), (3, 213589008), (4, 160191756), (6, 106794504), (8, 80095878), (9, 71196336), (12, 53397252), (16, 40047939), (18, 35598168), (24, 26698626), (27, 23732112), (31, 20669904), (36, 17799084), (41, 15628464), (48, 13349313), (54, 11866056), (62, 10334952), (72, 8899542), (81, 7910704), (82, 7814232), (93, 6889968), (108, 5933028), (123, 5209488), (124, 5167476), (144, 4449771), (162, 3955352), (164, 3907116), (186, 3444984), (216, 2966514), (246, 2604744), (248, 2583738), (279, 2296656), (324, 1977676), (328, 1953558), (369, 1736496), (372, 1722492), (389, 1647216), (432, 1483257), (492, 1302372), (496, 1291869), (558, 1148328), (648, 988838), (656, 976779), (738, 868248), (744, 861246), (778, 823608), (837, 765552), (984, 651186), (1107, 578832), (1116, 574164), (1167, 549072), (1271, 504144), (1296, 494419), (1476, 434124), (1488, 430623), (1556, 411804), (1674, 382776), (1968, 325593), (2214, 289416), (2232, 287082), (2334, 274536), (2511, 255184), (2542, 252072), (2952, 217062), (3112, 205902), (3321, 192944), (3348, 191388), (3501, 183024), (3813, 168048), (4428, 144708), (4464, 143541), (4668, 137268), (5022, 127592), (5084, 126036), (5904, 108531), (6224, 102951), (6642, 96472), (6696, 95694), (7002, 91512), (7626, 84024), (8856, 72354), (9336, 68634), (10044, 63796), (10168, 63018), (10503, 61008), (11439, 56016), (12059, 53136), (13284, 48236), (13392, 47847), (14004, 45756), (15252, 42012), (15949, 40176), (17712, 36177), (18672, 34317), (20088, 31898), (20336, 31509), (21006, 30504), (22878, 28008), (24118, 26568)]