128423904

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1237

約数の個数: 144

約数和(自身を含む): 409546368

約数和(自身を除く): 281122464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 69, 84, 92, 96, 98, 112, 138, 147, 161, 168, 184, 196, 224, 276, 294, 322, 336, 368, 392, 483, 552, 588, 644, 672, 736, 784, 966, 1104, 1127, 1176, 1187, 1288, 1568, 1932, 2208, 2254, 2352, 2374, 2576, 3381, 3561, 3864, 4508, 4704, 4748, 5152, 6762, 7122, 7728, 8309, 9016, 9496, 13524, 14244, 15456, 16618, 18032, 18992, 24927, 27048, 27301, 28488, 33236, 36064, 37984, 49854, 54096, 54602, 56976, 58163, 66472, 81903, 99708, 108192, 109204, 113952, 116326, 132944, 163806, 174489, 191107, 199416, 218408, 232652, 265888, 327612, 348978, 382214, 398832, 436816, 465304, 573321, 655224, 697956, 764428, 797664, 873632, 930608, 1146642, 1310448, 1337749, 1395912, 1528856, 1861216, 2293284, 2620896, 2675498, 2791824, 3057712, 4013247, 4586568, 5350996, 5583648, 6115424, 8026494, 9173136, 10701992, 16052988, 18346272, 21403984, 32105976, 42807968, 64211952, 128423904]

約数ペア:

[(1, 128423904), (2, 64211952), (3, 42807968), (4, 32105976), (6, 21403984), (7, 18346272), (8, 16052988), (12, 10701992), (14, 9173136), (16, 8026494), (21, 6115424), (23, 5583648), (24, 5350996), (28, 4586568), (32, 4013247), (42, 3057712), (46, 2791824), (48, 2675498), (49, 2620896), (56, 2293284), (69, 1861216), (84, 1528856), (92, 1395912), (96, 1337749), (98, 1310448), (112, 1146642), (138, 930608), (147, 873632), (161, 797664), (168, 764428), (184, 697956), (196, 655224), (224, 573321), (276, 465304), (294, 436816), (322, 398832), (336, 382214), (368, 348978), (392, 327612), (483, 265888), (552, 232652), (588, 218408), (644, 199416), (672, 191107), (736, 174489), (784, 163806), (966, 132944), (1104, 116326), (1127, 113952), (1176, 109204), (1187, 108192), (1288, 99708), (1568, 81903), (1932, 66472), (2208, 58163), (2254, 56976), (2352, 54602), (2374, 54096), (2576, 49854), (3381, 37984), (3561, 36064), (3864, 33236), (4508, 28488), (4704, 27301), (4748, 27048), (5152, 24927), (6762, 18992), (7122, 18032), (7728, 16618), (8309, 15456), (9016, 14244), (9496, 13524)]