257725488

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 730667520

約数和(自身を除く): 472942032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 61, 69, 86, 89, 92, 122, 129, 138, 172, 178, 183, 184, 244, 258, 267, 276, 344, 356, 366, 368, 488, 516, 534, 552, 688, 712, 732, 976, 989, 1032, 1068, 1104, 1403, 1424, 1464, 1978, 2047, 2064, 2136, 2623, 2806, 2928, 2967, 3827, 3956, 4094, 4209, 4272, 5246, 5429, 5612, 5934, 6141, 7654, 7869, 7912, 8188, 8418, 10492, 10858, 11224, 11481, 11868, 12282, 15308, 15738, 15824, 16287, 16376, 16836, 20984, 21716, 22448, 22962, 23736, 24564, 30616, 31476, 32574, 32752, 33672, 41968, 43432, 45924, 47472, 49128, 60329, 61232, 62952, 65148, 67344, 86864, 88021, 91848, 98256, 120658, 124867, 125904, 130296, 176042, 180987, 183696, 233447, 241316, 249734, 260592, 264063, 352084, 361974, 374601, 466894, 482632, 499468, 528126, 700341, 704168, 723948, 749202, 933788, 965264, 998936, 1056252, 1400682, 1408336, 1447896, 1498404, 1867576, 1997872, 2112504, 2801364, 2895792, 2996808, 3735152, 4225008, 5369281, 5602728, 5993616, 10738562, 11205456, 16107843, 21477124, 32215686, 42954248, 64431372, 85908496, 128862744, 257725488]

約数ペア:

[(1, 257725488), (2, 128862744), (3, 85908496), (4, 64431372), (6, 42954248), (8, 32215686), (12, 21477124), (16, 16107843), (23, 11205456), (24, 10738562), (43, 5993616), (46, 5602728), (48, 5369281), (61, 4225008), (69, 3735152), (86, 2996808), (89, 2895792), (92, 2801364), (122, 2112504), (129, 1997872), (138, 1867576), (172, 1498404), (178, 1447896), (183, 1408336), (184, 1400682), (244, 1056252), (258, 998936), (267, 965264), (276, 933788), (344, 749202), (356, 723948), (366, 704168), (368, 700341), (488, 528126), (516, 499468), (534, 482632), (552, 466894), (688, 374601), (712, 361974), (732, 352084), (976, 264063), (989, 260592), (1032, 249734), (1068, 241316), (1104, 233447), (1403, 183696), (1424, 180987), (1464, 176042), (1978, 130296), (2047, 125904), (2064, 124867), (2136, 120658), (2623, 98256), (2806, 91848), (2928, 88021), (2967, 86864), (3827, 67344), (3956, 65148), (4094, 62952), (4209, 61232), (4272, 60329), (5246, 49128), (5429, 47472), (5612, 45924), (5934, 43432), (6141, 41968), (7654, 33672), (7869, 32752), (7912, 32574), (8188, 31476), (8418, 30616), (10492, 24564), (10858, 23736), (11224, 22962), (11481, 22448), (11868, 21716), (12282, 20984), (15308, 16836), (15738, 16376), (15824, 16287)]