131408256

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 256

約数和(自身を含む): 438681600

約数和(自身を除く): 307273344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 32, 38, 42, 48, 56, 57, 62, 64, 76, 83, 84, 93, 96, 112, 114, 124, 128, 133, 152, 166, 168, 186, 192, 217, 224, 228, 248, 249, 266, 304, 332, 336, 372, 384, 399, 434, 448, 456, 496, 498, 532, 581, 589, 608, 651, 664, 672, 744, 798, 868, 896, 912, 992, 996, 1064, 1162, 1178, 1216, 1302, 1328, 1344, 1488, 1577, 1596, 1736, 1743, 1767, 1824, 1984, 1992, 2128, 2324, 2356, 2432, 2573, 2604, 2656, 2688, 2976, 3154, 3192, 3472, 3486, 3534, 3648, 3968, 3984, 4123, 4256, 4648, 4712, 4731, 5146, 5208, 5312, 5952, 6308, 6384, 6944, 6972, 7068, 7296, 7719, 7968, 8246, 8512, 9296, 9424, 9462, 10292, 10416, 10624, 11039, 11904, 12369, 12616, 12768, 13888, 13944, 14136, 15438, 15936, 16492, 17024, 18011, 18592, 18848, 18924, 20584, 20832, 22078, 24738, 25232, 25536, 27776, 27888, 28272, 30876, 31872, 32984, 33117, 36022, 37184, 37696, 37848, 41168, 41664, 44156, 48887, 49476, 50464, 51072, 54033, 55776, 56544, 61752, 65968, 66234, 72044, 74368, 75392, 75696, 82336, 83328, 88312, 97774, 98952, 100928, 108066, 111552, 113088, 123504, 131936, 132468, 144088, 146661, 151392, 164672, 176624, 195548, 197904, 201856, 216132, 223104, 226176, 247008, 263872, 264936, 288176, 293322, 302784, 329344, 342209, 353248, 391096, 395808, 432264, 494016, 527744, 529872, 576352, 586644, 605568, 684418, 706496, 782192, 791616, 864528, 988032, 1026627, 1059744, 1152704, 1173288, 1368836, 1412992, 1564384, 1583232, 1729056, 2053254, 2119488, 2305408, 2346576, 2737672, 3128768, 3458112, 4106508, 4238976, 4693152, 5475344, 6257536, 6916224, 8213016, 9386304, 10950688, 16426032, 18772608, 21901376, 32852064, 43802752, 65704128, 131408256]

約数ペア:

[(1, 131408256), (2, 65704128), (3, 43802752), (4, 32852064), (6, 21901376), (7, 18772608), (8, 16426032), (12, 10950688), (14, 9386304), (16, 8213016), (19, 6916224), (21, 6257536), (24, 5475344), (28, 4693152), (31, 4238976), (32, 4106508), (38, 3458112), (42, 3128768), (48, 2737672), (56, 2346576), (57, 2305408), (62, 2119488), (64, 2053254), (76, 1729056), (83, 1583232), (84, 1564384), (93, 1412992), (96, 1368836), (112, 1173288), (114, 1152704), (124, 1059744), (128, 1026627), (133, 988032), (152, 864528), (166, 791616), (168, 782192), (186, 706496), (192, 684418), (217, 605568), (224, 586644), (228, 576352), (248, 529872), (249, 527744), (266, 494016), (304, 432264), (332, 395808), (336, 391096), (372, 353248), (384, 342209), (399, 329344), (434, 302784), (448, 293322), (456, 288176), (496, 264936), (498, 263872), (532, 247008), (581, 226176), (589, 223104), (608, 216132), (651, 201856), (664, 197904), (672, 195548), (744, 176624), (798, 164672), (868, 151392), (896, 146661), (912, 144088), (992, 132468), (996, 131936), (1064, 123504), (1162, 113088), (1178, 111552), (1216, 108066), (1302, 100928), (1328, 98952), (1344, 97774), (1488, 88312), (1577, 83328), (1596, 82336), (1736, 75696), (1743, 75392), (1767, 74368), (1824, 72044), (1984, 66234), (1992, 65968), (2128, 61752), (2324, 56544), (2356, 55776), (2432, 54033), (2573, 51072), (2604, 50464), (2656, 49476), (2688, 48887), (2976, 44156), (3154, 41664), (3192, 41168), (3472, 37848), (3486, 37696), (3534, 37184), (3648, 36022), (3968, 33117), (3984, 32984), (4123, 31872), (4256, 30876), (4648, 28272), (4712, 27888), (4731, 27776), (5146, 25536), (5208, 25232), (5312, 24738), (5952, 22078), (6308, 20832), (6384, 20584), (6944, 18924), (6972, 18848), (7068, 18592), (7296, 18011), (7719, 17024), (7968, 16492), (8246, 15936), (8512, 15438), (9296, 14136), (9424, 13944), (9462, 13888), (10292, 12768), (10416, 12616), (10624, 12369), (11039, 11904)]