278245584

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 160

約数和(自身を含む): 838041600

約数和(自身を除く): 559796016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 79, 93, 108, 124, 144, 158, 186, 216, 237, 248, 263, 279, 316, 372, 432, 474, 496, 526, 558, 632, 711, 744, 789, 837, 948, 1052, 1116, 1264, 1422, 1488, 1578, 1674, 1896, 2104, 2133, 2232, 2367, 2449, 2844, 3156, 3348, 3792, 4208, 4266, 4464, 4734, 4898, 5688, 6312, 6696, 7101, 7347, 8153, 8532, 9468, 9796, 11376, 12624, 13392, 14202, 14694, 16306, 17064, 18936, 19592, 20777, 22041, 24459, 28404, 29388, 32612, 34128, 37872, 39184, 41554, 44082, 48918, 56808, 58776, 62331, 65224, 66123, 73377, 83108, 88164, 97836, 113616, 117552, 124662, 130448, 132246, 146754, 166216, 176328, 186993, 195672, 220131, 249324, 264492, 293508, 332432, 352656, 373986, 391344, 440262, 498648, 528984, 560979, 587016, 644087, 747972, 880524, 997296, 1057968, 1121958, 1174032, 1288174, 1495944, 1761048, 1932261, 2243916, 2576348, 2991888, 3522096, 3864522, 4487832, 5152696, 5796783, 7729044, 8975664, 10305392, 11593566, 15458088, 17390349, 23187132, 30916176, 34780698, 46374264, 69561396, 92748528, 139122792, 278245584]

約数ペア:

[(1, 278245584), (2, 139122792), (3, 92748528), (4, 69561396), (6, 46374264), (8, 34780698), (9, 30916176), (12, 23187132), (16, 17390349), (18, 15458088), (24, 11593566), (27, 10305392), (31, 8975664), (36, 7729044), (48, 5796783), (54, 5152696), (62, 4487832), (72, 3864522), (79, 3522096), (93, 2991888), (108, 2576348), (124, 2243916), (144, 1932261), (158, 1761048), (186, 1495944), (216, 1288174), (237, 1174032), (248, 1121958), (263, 1057968), (279, 997296), (316, 880524), (372, 747972), (432, 644087), (474, 587016), (496, 560979), (526, 528984), (558, 498648), (632, 440262), (711, 391344), (744, 373986), (789, 352656), (837, 332432), (948, 293508), (1052, 264492), (1116, 249324), (1264, 220131), (1422, 195672), (1488, 186993), (1578, 176328), (1674, 166216), (1896, 146754), (2104, 132246), (2133, 130448), (2232, 124662), (2367, 117552), (2449, 113616), (2844, 97836), (3156, 88164), (3348, 83108), (3792, 73377), (4208, 66123), (4266, 65224), (4464, 62331), (4734, 58776), (4898, 56808), (5688, 48918), (6312, 44082), (6696, 41554), (7101, 39184), (7347, 37872), (8153, 34128), (8532, 32612), (9468, 29388), (9796, 28404), (11376, 24459), (12624, 22041), (13392, 20777), (14202, 19592), (14694, 18936), (16306, 17064)]