261057264

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 160

約数和(自身を含む): 775783680

約数和(自身を除く): 514726416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 97, 104, 114, 152, 156, 194, 208, 227, 228, 247, 291, 304, 312, 388, 454, 456, 494, 582, 624, 681, 741, 776, 908, 912, 988, 1164, 1261, 1362, 1482, 1552, 1816, 1843, 1976, 2328, 2522, 2724, 2951, 2964, 3632, 3686, 3783, 3952, 4313, 4656, 5044, 5448, 5529, 5902, 5928, 7372, 7566, 8626, 8853, 10088, 10896, 11058, 11804, 11856, 12939, 14744, 15132, 17252, 17706, 20176, 22019, 22116, 23608, 23959, 25878, 29488, 30264, 34504, 35412, 44038, 44232, 47216, 47918, 51756, 56069, 60528, 66057, 69008, 70824, 71877, 88076, 88464, 95836, 103512, 112138, 132114, 141648, 143754, 168207, 176152, 191672, 207024, 224276, 264228, 286247, 287508, 336414, 352304, 383344, 418361, 448552, 528456, 572494, 575016, 672828, 836722, 858741, 897104, 1056912, 1144988, 1150032, 1255083, 1345656, 1673444, 1717482, 2289976, 2510166, 2691312, 3346888, 3434964, 4579952, 5020332, 5438693, 6693776, 6869928, 10040664, 10877386, 13739856, 16316079, 20081328, 21754772, 32632158, 43509544, 65264316, 87019088, 130528632, 261057264]

約数ペア:

[(1, 261057264), (2, 130528632), (3, 87019088), (4, 65264316), (6, 43509544), (8, 32632158), (12, 21754772), (13, 20081328), (16, 16316079), (19, 13739856), (24, 10877386), (26, 10040664), (38, 6869928), (39, 6693776), (48, 5438693), (52, 5020332), (57, 4579952), (76, 3434964), (78, 3346888), (97, 2691312), (104, 2510166), (114, 2289976), (152, 1717482), (156, 1673444), (194, 1345656), (208, 1255083), (227, 1150032), (228, 1144988), (247, 1056912), (291, 897104), (304, 858741), (312, 836722), (388, 672828), (454, 575016), (456, 572494), (494, 528456), (582, 448552), (624, 418361), (681, 383344), (741, 352304), (776, 336414), (908, 287508), (912, 286247), (988, 264228), (1164, 224276), (1261, 207024), (1362, 191672), (1482, 176152), (1552, 168207), (1816, 143754), (1843, 141648), (1976, 132114), (2328, 112138), (2522, 103512), (2724, 95836), (2951, 88464), (2964, 88076), (3632, 71877), (3686, 70824), (3783, 69008), (3952, 66057), (4313, 60528), (4656, 56069), (5044, 51756), (5448, 47918), (5529, 47216), (5902, 44232), (5928, 44038), (7372, 35412), (7566, 34504), (8626, 30264), (8853, 29488), (10088, 25878), (10896, 23959), (11058, 23608), (11804, 22116), (11856, 22019), (12939, 20176), (14744, 17706), (15132, 17252)]