256485024

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 756756000

約数和(自身を除く): 500270976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 139, 144, 149, 172, 258, 278, 288, 298, 344, 387, 417, 447, 516, 556, 596, 688, 774, 834, 894, 1032, 1112, 1192, 1251, 1341, 1376, 1548, 1668, 1788, 2064, 2224, 2384, 2502, 2682, 3096, 3336, 3576, 4128, 4448, 4768, 5004, 5364, 5977, 6192, 6407, 6672, 7152, 10008, 10728, 11954, 12384, 12814, 13344, 14304, 17931, 19221, 20016, 20711, 21456, 23908, 25628, 35862, 38442, 40032, 41422, 42912, 47816, 51256, 53793, 57663, 62133, 71724, 76884, 82844, 95632, 102512, 107586, 115326, 124266, 143448, 153768, 165688, 186399, 191264, 205024, 215172, 230652, 248532, 286896, 307536, 331376, 372798, 430344, 461304, 497064, 573792, 615072, 662752, 745596, 860688, 890573, 922608, 994128, 1491192, 1721376, 1781146, 1845216, 1988256, 2671719, 2982384, 3562292, 5343438, 5964768, 7124584, 8015157, 10686876, 14249168, 16030314, 21373752, 28498336, 32060628, 42747504, 64121256, 85495008, 128242512, 256485024]

約数ペア:

[(1, 256485024), (2, 128242512), (3, 85495008), (4, 64121256), (6, 42747504), (8, 32060628), (9, 28498336), (12, 21373752), (16, 16030314), (18, 14249168), (24, 10686876), (32, 8015157), (36, 7124584), (43, 5964768), (48, 5343438), (72, 3562292), (86, 2982384), (96, 2671719), (129, 1988256), (139, 1845216), (144, 1781146), (149, 1721376), (172, 1491192), (258, 994128), (278, 922608), (288, 890573), (298, 860688), (344, 745596), (387, 662752), (417, 615072), (447, 573792), (516, 497064), (556, 461304), (596, 430344), (688, 372798), (774, 331376), (834, 307536), (894, 286896), (1032, 248532), (1112, 230652), (1192, 215172), (1251, 205024), (1341, 191264), (1376, 186399), (1548, 165688), (1668, 153768), (1788, 143448), (2064, 124266), (2224, 115326), (2384, 107586), (2502, 102512), (2682, 95632), (3096, 82844), (3336, 76884), (3576, 71724), (4128, 62133), (4448, 57663), (4768, 53793), (5004, 51256), (5364, 47816), (5977, 42912), (6192, 41422), (6407, 40032), (6672, 38442), (7152, 35862), (10008, 25628), (10728, 23908), (11954, 21456), (12384, 20711), (12814, 20016), (13344, 19221), (14304, 17931)]