256155264

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 822528000

約数和(自身を除く): 566372736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 47, 48, 54, 57, 64, 72, 76, 83, 94, 96, 108, 114, 128, 141, 144, 152, 166, 171, 188, 192, 216, 228, 249, 282, 288, 304, 332, 342, 376, 384, 423, 432, 456, 498, 513, 564, 576, 608, 664, 684, 747, 752, 846, 864, 893, 912, 996, 1026, 1128, 1152, 1216, 1269, 1328, 1368, 1494, 1504, 1577, 1692, 1728, 1786, 1824, 1992, 2052, 2241, 2256, 2432, 2538, 2656, 2679, 2736, 2988, 3008, 3154, 3384, 3456, 3572, 3648, 3901, 3984, 4104, 4482, 4512, 4731, 5076, 5312, 5358, 5472, 5976, 6016, 6308, 6768, 7144, 7296, 7802, 7968, 8037, 8208, 8964, 9024, 9462, 10152, 10624, 10716, 10944, 11703, 11952, 12616, 13536, 14193, 14288, 15604, 15936, 16074, 16416, 17928, 18048, 18924, 20304, 21432, 21888, 23406, 23904, 24111, 25232, 27072, 28386, 28576, 31208, 31872, 32148, 32832, 35109, 35856, 37848, 40608, 42579, 42864, 46812, 47808, 48222, 50464, 54144, 56772, 57152, 62416, 64296, 65664, 70218, 71712, 74119, 75696, 81216, 85158, 85728, 93624, 95616, 96444, 100928, 105327, 113544, 114304, 124832, 128592, 140436, 143424, 148238, 151392, 162432, 170316, 171456, 187248, 192888, 201856, 210654, 222357, 227088, 249664, 257184, 280872, 286848, 296476, 302784, 340632, 342912, 374496, 385776, 421308, 444714, 454176, 499328, 514368, 561744, 592952, 605568, 667071, 681264, 748992, 771552, 842616, 889428, 908352, 1028736, 1123488, 1185904, 1334142, 1362528, 1497984, 1543104, 1685232, 1778856, 1816704, 2001213, 2246976, 2371808, 2668284, 2725056, 3086208, 3370464, 3557712, 4002426, 4493952, 4743616, 5336568, 5450112, 6740928, 7115424, 8004852, 9487232, 10673136, 13481856, 14230848, 16009704, 21346272, 28461696, 32019408, 42692544, 64038816, 85385088, 128077632, 256155264]

約数ペア:

[(1, 256155264), (2, 128077632), (3, 85385088), (4, 64038816), (6, 42692544), (8, 32019408), (9, 28461696), (12, 21346272), (16, 16009704), (18, 14230848), (19, 13481856), (24, 10673136), (27, 9487232), (32, 8004852), (36, 7115424), (38, 6740928), (47, 5450112), (48, 5336568), (54, 4743616), (57, 4493952), (64, 4002426), (72, 3557712), (76, 3370464), (83, 3086208), (94, 2725056), (96, 2668284), (108, 2371808), (114, 2246976), (128, 2001213), (141, 1816704), (144, 1778856), (152, 1685232), (166, 1543104), (171, 1497984), (188, 1362528), (192, 1334142), (216, 1185904), (228, 1123488), (249, 1028736), (282, 908352), (288, 889428), (304, 842616), (332, 771552), (342, 748992), (376, 681264), (384, 667071), (423, 605568), (432, 592952), (456, 561744), (498, 514368), (513, 499328), (564, 454176), (576, 444714), (608, 421308), (664, 385776), (684, 374496), (747, 342912), (752, 340632), (846, 302784), (864, 296476), (893, 286848), (912, 280872), (996, 257184), (1026, 249664), (1128, 227088), (1152, 222357), (1216, 210654), (1269, 201856), (1328, 192888), (1368, 187248), (1494, 171456), (1504, 170316), (1577, 162432), (1692, 151392), (1728, 148238), (1786, 143424), (1824, 140436), (1992, 128592), (2052, 124832), (2241, 114304), (2256, 113544), (2432, 105327), (2538, 100928), (2656, 96444), (2679, 95616), (2736, 93624), (2988, 85728), (3008, 85158), (3154, 81216), (3384, 75696), (3456, 74119), (3572, 71712), (3648, 70218), (3901, 65664), (3984, 64296), (4104, 62416), (4482, 57152), (4512, 56772), (4731, 54144), (5076, 50464), (5312, 48222), (5358, 47808), (5472, 46812), (5976, 42864), (6016, 42579), (6308, 40608), (6768, 37848), (7144, 35856), (7296, 35109), (7802, 32832), (7968, 32148), (8037, 31872), (8208, 31208), (8964, 28576), (9024, 28386), (9462, 27072), (10152, 25232), (10624, 24111), (10716, 23904), (10944, 23406), (11703, 21888), (11952, 21432), (12616, 20304), (13536, 18924), (14193, 18048), (14288, 17928), (15604, 16416), (15936, 16074)]