279991008

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2909

約数の個数: 144

約数和(自身を含む): 896942592

約数和(自身を除く): 616951584

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 66, 72, 88, 93, 96, 99, 124, 132, 144, 176, 186, 198, 248, 264, 279, 288, 341, 352, 372, 396, 496, 528, 558, 682, 744, 792, 992, 1023, 1056, 1116, 1364, 1488, 1584, 2046, 2232, 2728, 2851, 2976, 3069, 3168, 4092, 4464, 5456, 5702, 6138, 8184, 8553, 8928, 10912, 11404, 12276, 16368, 17106, 22808, 24552, 25659, 31361, 32736, 34212, 45616, 49104, 51318, 62722, 68424, 88381, 91232, 94083, 98208, 102636, 125444, 136848, 176762, 188166, 205272, 250888, 265143, 273696, 282249, 353524, 376332, 410544, 501776, 530286, 564498, 707048, 752664, 795429, 821088, 972191, 1003552, 1060572, 1128996, 1414096, 1505328, 1590858, 1944382, 2121144, 2257992, 2828192, 2916573, 3010656, 3181716, 3888764, 4242288, 4515984, 5833146, 6363432, 7777528, 8484576, 8749719, 9031968, 11666292, 12726864, 15555056, 17499438, 23332584, 25453728, 31110112, 34998876, 46665168, 69997752, 93330336, 139995504, 279991008]

約数ペア:

[(1, 279991008), (2, 139995504), (3, 93330336), (4, 69997752), (6, 46665168), (8, 34998876), (9, 31110112), (11, 25453728), (12, 23332584), (16, 17499438), (18, 15555056), (22, 12726864), (24, 11666292), (31, 9031968), (32, 8749719), (33, 8484576), (36, 7777528), (44, 6363432), (48, 5833146), (62, 4515984), (66, 4242288), (72, 3888764), (88, 3181716), (93, 3010656), (96, 2916573), (99, 2828192), (124, 2257992), (132, 2121144), (144, 1944382), (176, 1590858), (186, 1505328), (198, 1414096), (248, 1128996), (264, 1060572), (279, 1003552), (288, 972191), (341, 821088), (352, 795429), (372, 752664), (396, 707048), (496, 564498), (528, 530286), (558, 501776), (682, 410544), (744, 376332), (792, 353524), (992, 282249), (1023, 273696), (1056, 265143), (1116, 250888), (1364, 205272), (1488, 188166), (1584, 176762), (2046, 136848), (2232, 125444), (2728, 102636), (2851, 98208), (2976, 94083), (3069, 91232), (3168, 88381), (4092, 68424), (4464, 62722), (5456, 51318), (5702, 49104), (6138, 45616), (8184, 34212), (8553, 32736), (8928, 31361), (10912, 25659), (11404, 24552), (12276, 22808), (16368, 17106)]