1620331328

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 168

約数和(自身を含む): 4105729152

約数和(自身を除く): 2485397824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 71, 77, 88, 112, 121, 142, 154, 176, 224, 242, 284, 308, 352, 421, 448, 484, 497, 568, 616, 704, 781, 842, 847, 968, 994, 1136, 1232, 1562, 1684, 1694, 1936, 1988, 2272, 2464, 2947, 3124, 3368, 3388, 3872, 3976, 4544, 4631, 4928, 5467, 5894, 6248, 6736, 6776, 7744, 7952, 8591, 9262, 10934, 11788, 12496, 13472, 13552, 15904, 17182, 18524, 21868, 23576, 24992, 26944, 27104, 29891, 31808, 32417, 34364, 37048, 43736, 47152, 49984, 50941, 54208, 59782, 60137, 64834, 68728, 74096, 87472, 94304, 101882, 119564, 120274, 129668, 137456, 148192, 174944, 188608, 203764, 209237, 239128, 240548, 259336, 274912, 296384, 328801, 349888, 356587, 407528, 418474, 478256, 481096, 518672, 549824, 657602, 713174, 815056, 836948, 956512, 962192, 1037344, 1315204, 1426348, 1630112, 1673896, 1913024, 1924384, 2074688, 2301607, 2630408, 2852696, 3260224, 3347792, 3616811, 3848768, 4603214, 5260816, 5705392, 6695584, 7233622, 9206428, 10521632, 11410784, 13391168, 14467244, 18412856, 21043264, 22821568, 25317677, 28934488, 36825712, 50635354, 57868976, 73651424, 101270708, 115737952, 147302848, 202541416, 231475904, 405082832, 810165664, 1620331328]

約数ペア:

[(1, 1620331328), (2, 810165664), (4, 405082832), (7, 231475904), (8, 202541416), (11, 147302848), (14, 115737952), (16, 101270708), (22, 73651424), (28, 57868976), (32, 50635354), (44, 36825712), (56, 28934488), (64, 25317677), (71, 22821568), (77, 21043264), (88, 18412856), (112, 14467244), (121, 13391168), (142, 11410784), (154, 10521632), (176, 9206428), (224, 7233622), (242, 6695584), (284, 5705392), (308, 5260816), (352, 4603214), (421, 3848768), (448, 3616811), (484, 3347792), (497, 3260224), (568, 2852696), (616, 2630408), (704, 2301607), (781, 2074688), (842, 1924384), (847, 1913024), (968, 1673896), (994, 1630112), (1136, 1426348), (1232, 1315204), (1562, 1037344), (1684, 962192), (1694, 956512), (1936, 836948), (1988, 815056), (2272, 713174), (2464, 657602), (2947, 549824), (3124, 518672), (3368, 481096), (3388, 478256), (3872, 418474), (3976, 407528), (4544, 356587), (4631, 349888), (4928, 328801), (5467, 296384), (5894, 274912), (6248, 259336), (6736, 240548), (6776, 239128), (7744, 209237), (7952, 203764), (8591, 188608), (9262, 174944), (10934, 148192), (11788, 137456), (12496, 129668), (13472, 120274), (13552, 119564), (15904, 101882), (17182, 94304), (18524, 87472), (21868, 74096), (23576, 68728), (24992, 64834), (26944, 60137), (27104, 59782), (29891, 54208), (31808, 50941), (32417, 49984), (34364, 47152), (37048, 43736)]