256433424

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:589

約数の個数: 160

約数和(自身を含む): 769950720

約数和(自身を除く): 513517296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 43, 48, 52, 57, 76, 78, 86, 104, 114, 129, 152, 156, 172, 208, 228, 247, 258, 304, 312, 344, 456, 494, 503, 516, 559, 624, 688, 741, 817, 912, 988, 1006, 1032, 1118, 1482, 1509, 1634, 1677, 1976, 2012, 2064, 2236, 2451, 2964, 3018, 3268, 3354, 3952, 4024, 4472, 4902, 5928, 6036, 6536, 6539, 6708, 8048, 8944, 9557, 9804, 10621, 11856, 12072, 13072, 13078, 13416, 19114, 19608, 19617, 21242, 21629, 24144, 26156, 26832, 28671, 31863, 38228, 39216, 39234, 42484, 43258, 52312, 57342, 63726, 64887, 76456, 78468, 84968, 86516, 104624, 114684, 124241, 127452, 129774, 152912, 156936, 169936, 173032, 229368, 248482, 254904, 259548, 281177, 313872, 346064, 372723, 410951, 458736, 496964, 509808, 519096, 562354, 745446, 821902, 843531, 993928, 1038192, 1124708, 1232853, 1490892, 1643804, 1687062, 1987856, 2249416, 2465706, 2981784, 3287608, 3374124, 4498832, 4931412, 5342363, 5963568, 6575216, 6748248, 9862824, 10684726, 13496496, 16027089, 19725648, 21369452, 32054178, 42738904, 64108356, 85477808, 128216712, 256433424]

約数ペア:

[(1, 256433424), (2, 128216712), (3, 85477808), (4, 64108356), (6, 42738904), (8, 32054178), (12, 21369452), (13, 19725648), (16, 16027089), (19, 13496496), (24, 10684726), (26, 9862824), (38, 6748248), (39, 6575216), (43, 5963568), (48, 5342363), (52, 4931412), (57, 4498832), (76, 3374124), (78, 3287608), (86, 2981784), (104, 2465706), (114, 2249416), (129, 1987856), (152, 1687062), (156, 1643804), (172, 1490892), (208, 1232853), (228, 1124708), (247, 1038192), (258, 993928), (304, 843531), (312, 821902), (344, 745446), (456, 562354), (494, 519096), (503, 509808), (516, 496964), (559, 458736), (624, 410951), (688, 372723), (741, 346064), (817, 313872), (912, 281177), (988, 259548), (1006, 254904), (1032, 248482), (1118, 229368), (1482, 173032), (1509, 169936), (1634, 156936), (1677, 152912), (1976, 129774), (2012, 127452), (2064, 124241), (2236, 114684), (2451, 104624), (2964, 86516), (3018, 84968), (3268, 78468), (3354, 76456), (3952, 64887), (4024, 63726), (4472, 57342), (4902, 52312), (5928, 43258), (6036, 42484), (6536, 39234), (6539, 39216), (6708, 38228), (8048, 31863), (8944, 28671), (9557, 26832), (9804, 26156), (10621, 24144), (11856, 21629), (12072, 21242), (13072, 19617), (13078, 19608), (13416, 19114)]