256352712

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 256

約数和(自身を含む): 864000000

約数和(自身を除く): 607647288

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 49, 56, 57, 66, 76, 77, 84, 88, 98, 114, 132, 133, 147, 149, 152, 154, 168, 196, 209, 228, 231, 264, 266, 294, 298, 308, 343, 392, 399, 418, 447, 456, 462, 532, 539, 588, 596, 616, 627, 686, 798, 836, 894, 924, 931, 1029, 1043, 1064, 1078, 1176, 1192, 1254, 1372, 1463, 1596, 1617, 1639, 1672, 1788, 1848, 1862, 2058, 2086, 2156, 2508, 2744, 2793, 2831, 2926, 3129, 3192, 3234, 3278, 3576, 3724, 3773, 4116, 4172, 4312, 4389, 4917, 5016, 5586, 5662, 5852, 6258, 6468, 6517, 6556, 7301, 7448, 7546, 8232, 8344, 8493, 8778, 9834, 10241, 11172, 11319, 11324, 11473, 11704, 12516, 12936, 13034, 13112, 14602, 15092, 16986, 17556, 19551, 19668, 19817, 20482, 21903, 22344, 22638, 22648, 22946, 25032, 26068, 29204, 30184, 30723, 31141, 33972, 34419, 35112, 39102, 39336, 39634, 40964, 43806, 45276, 45892, 51107, 52136, 58408, 59451, 61446, 62282, 67944, 68838, 71687, 78204, 79268, 80311, 81928, 87612, 90552, 91784, 93423, 102214, 118902, 122892, 124564, 137676, 138719, 143374, 153321, 156408, 158536, 160622, 175224, 186846, 204428, 215061, 217987, 237804, 240933, 245784, 249128, 275352, 277438, 286748, 306642, 321244, 373692, 408856, 416157, 430122, 435974, 475608, 481866, 554876, 562177, 573496, 613284, 642488, 653961, 747384, 832314, 860244, 871948, 963732, 971033, 1109752, 1124354, 1226568, 1307922, 1525909, 1664628, 1686531, 1720488, 1743896, 1927464, 1942066, 2248708, 2615844, 2913099, 3051818, 3329256, 3373062, 3884132, 4497416, 4577727, 5231688, 5826198, 6103636, 6746124, 7768264, 9155454, 10681363, 11652396, 12207272, 13492248, 18310908, 21362726, 23304792, 32044089, 36621816, 42725452, 64088178, 85450904, 128176356, 256352712]

約数ペア:

[(1, 256352712), (2, 128176356), (3, 85450904), (4, 64088178), (6, 42725452), (7, 36621816), (8, 32044089), (11, 23304792), (12, 21362726), (14, 18310908), (19, 13492248), (21, 12207272), (22, 11652396), (24, 10681363), (28, 9155454), (33, 7768264), (38, 6746124), (42, 6103636), (44, 5826198), (49, 5231688), (56, 4577727), (57, 4497416), (66, 3884132), (76, 3373062), (77, 3329256), (84, 3051818), (88, 2913099), (98, 2615844), (114, 2248708), (132, 1942066), (133, 1927464), (147, 1743896), (149, 1720488), (152, 1686531), (154, 1664628), (168, 1525909), (196, 1307922), (209, 1226568), (228, 1124354), (231, 1109752), (264, 971033), (266, 963732), (294, 871948), (298, 860244), (308, 832314), (343, 747384), (392, 653961), (399, 642488), (418, 613284), (447, 573496), (456, 562177), (462, 554876), (532, 481866), (539, 475608), (588, 435974), (596, 430122), (616, 416157), (627, 408856), (686, 373692), (798, 321244), (836, 306642), (894, 286748), (924, 277438), (931, 275352), (1029, 249128), (1043, 245784), (1064, 240933), (1078, 237804), (1176, 217987), (1192, 215061), (1254, 204428), (1372, 186846), (1463, 175224), (1596, 160622), (1617, 158536), (1639, 156408), (1672, 153321), (1788, 143374), (1848, 138719), (1862, 137676), (2058, 124564), (2086, 122892), (2156, 118902), (2508, 102214), (2744, 93423), (2793, 91784), (2831, 90552), (2926, 87612), (3129, 81928), (3192, 80311), (3234, 79268), (3278, 78204), (3576, 71687), (3724, 68838), (3773, 67944), (4116, 62282), (4172, 61446), (4312, 59451), (4389, 58408), (4917, 52136), (5016, 51107), (5586, 45892), (5662, 45276), (5852, 43806), (6258, 40964), (6468, 39634), (6517, 39336), (6556, 39102), (7301, 35112), (7448, 34419), (7546, 33972), (8232, 31141), (8344, 30723), (8493, 30184), (8778, 29204), (9834, 26068), (10241, 25032), (11172, 22946), (11319, 22648), (11324, 22638), (11473, 22344), (11704, 21903), (12516, 20482), (12936, 19817), (13034, 19668), (13112, 19551), (14602, 17556), (15092, 16986)]