255517488

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 752094720

約数和(自身を除く): 496577232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 179, 184, 207, 276, 358, 368, 414, 431, 537, 552, 716, 828, 862, 1074, 1104, 1293, 1432, 1611, 1656, 1724, 2148, 2586, 2864, 3222, 3312, 3448, 3879, 4117, 4296, 5172, 6444, 6896, 7758, 8234, 8592, 9913, 10344, 12351, 12888, 15516, 16468, 19826, 20688, 24702, 25776, 29739, 31032, 32936, 37053, 39652, 49404, 59478, 62064, 65872, 74106, 77149, 79304, 89217, 98808, 118956, 148212, 154298, 158608, 178434, 197616, 231447, 237912, 296424, 308596, 356868, 462894, 475824, 592848, 617192, 694341, 713736, 925788, 1234384, 1388682, 1427472, 1774427, 1851576, 2777364, 3548854, 3703152, 5323281, 5554728, 7097708, 10646562, 11109456, 14195416, 15969843, 21293124, 28390832, 31939686, 42586248, 63879372, 85172496, 127758744, 255517488]

約数ペア:

[(1, 255517488), (2, 127758744), (3, 85172496), (4, 63879372), (6, 42586248), (8, 31939686), (9, 28390832), (12, 21293124), (16, 15969843), (18, 14195416), (23, 11109456), (24, 10646562), (36, 7097708), (46, 5554728), (48, 5323281), (69, 3703152), (72, 3548854), (92, 2777364), (138, 1851576), (144, 1774427), (179, 1427472), (184, 1388682), (207, 1234384), (276, 925788), (358, 713736), (368, 694341), (414, 617192), (431, 592848), (537, 475824), (552, 462894), (716, 356868), (828, 308596), (862, 296424), (1074, 237912), (1104, 231447), (1293, 197616), (1432, 178434), (1611, 158608), (1656, 154298), (1724, 148212), (2148, 118956), (2586, 98808), (2864, 89217), (3222, 79304), (3312, 77149), (3448, 74106), (3879, 65872), (4117, 62064), (4296, 59478), (5172, 49404), (6444, 39652), (6896, 37053), (7758, 32936), (8234, 31032), (8592, 29739), (9913, 25776), (10344, 24702), (12351, 20688), (12888, 19826), (15516, 16468)]