278327088

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1131

約数の個数: 120

約数和(自身を含む): 845081328

約数和(自身を除く): 566754240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 157, 208, 234, 312, 314, 468, 471, 624, 628, 936, 942, 947, 1256, 1413, 1872, 1884, 1894, 2041, 2512, 2826, 2841, 3768, 3788, 4082, 5652, 5682, 6123, 7536, 7576, 8164, 8523, 11304, 11364, 12246, 12311, 15152, 16328, 17046, 18369, 22608, 22728, 24492, 24622, 32656, 34092, 36738, 36933, 45456, 48984, 49244, 68184, 73476, 73866, 97968, 98488, 110799, 136368, 146952, 147732, 148679, 196976, 221598, 293904, 295464, 297358, 443196, 446037, 590928, 594716, 886392, 892074, 1189432, 1338111, 1772784, 1784148, 1932827, 2378864, 2676222, 3568296, 3865654, 5352444, 5798481, 7136592, 7731308, 10704888, 11596962, 15462616, 17395443, 21409776, 23193924, 30925232, 34790886, 46387848, 69581772, 92775696, 139163544, 278327088]

約数ペア:

[(1, 278327088), (2, 139163544), (3, 92775696), (4, 69581772), (6, 46387848), (8, 34790886), (9, 30925232), (12, 23193924), (13, 21409776), (16, 17395443), (18, 15462616), (24, 11596962), (26, 10704888), (36, 7731308), (39, 7136592), (48, 5798481), (52, 5352444), (72, 3865654), (78, 3568296), (104, 2676222), (117, 2378864), (144, 1932827), (156, 1784148), (157, 1772784), (208, 1338111), (234, 1189432), (312, 892074), (314, 886392), (468, 594716), (471, 590928), (624, 446037), (628, 443196), (936, 297358), (942, 295464), (947, 293904), (1256, 221598), (1413, 196976), (1872, 148679), (1884, 147732), (1894, 146952), (2041, 136368), (2512, 110799), (2826, 98488), (2841, 97968), (3768, 73866), (3788, 73476), (4082, 68184), (5652, 49244), (5682, 48984), (6123, 45456), (7536, 36933), (7576, 36738), (8164, 34092), (8523, 32656), (11304, 24622), (11364, 24492), (12246, 22728), (12311, 22608), (15152, 18369), (16328, 17046)]