128634880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 104

約数和(自身を含む): 337338144

約数和(自身を除く): 208703264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 571, 640, 704, 880, 1024, 1142, 1280, 1408, 1760, 2048, 2284, 2560, 2816, 2855, 3520, 4096, 4568, 5120, 5632, 5710, 6281, 7040, 9136, 10240, 11264, 11420, 12562, 14080, 18272, 20480, 22528, 22840, 25124, 28160, 31405, 36544, 45056, 45680, 50248, 56320, 62810, 73088, 91360, 100496, 112640, 125620, 146176, 182720, 200992, 225280, 251240, 292352, 365440, 401984, 502480, 584704, 730880, 803968, 1004960, 1169408, 1461760, 1607936, 2009920, 2338816, 2923520, 3215872, 4019840, 5847040, 6431744, 8039680, 11694080, 12863488, 16079360, 25726976, 32158720, 64317440, 128634880]

約数ペア:

[(1, 128634880), (2, 64317440), (4, 32158720), (5, 25726976), (8, 16079360), (10, 12863488), (11, 11694080), (16, 8039680), (20, 6431744), (22, 5847040), (32, 4019840), (40, 3215872), (44, 2923520), (55, 2338816), (64, 2009920), (80, 1607936), (88, 1461760), (110, 1169408), (128, 1004960), (160, 803968), (176, 730880), (220, 584704), (256, 502480), (320, 401984), (352, 365440), (440, 292352), (512, 251240), (571, 225280), (640, 200992), (704, 182720), (880, 146176), (1024, 125620), (1142, 112640), (1280, 100496), (1408, 91360), (1760, 73088), (2048, 62810), (2284, 56320), (2560, 50248), (2816, 45680), (2855, 45056), (3520, 36544), (4096, 31405), (4568, 28160), (5120, 25124), (5632, 22840), (5710, 22528), (6281, 20480), (7040, 18272), (9136, 14080), (10240, 12562), (11264, 11420)]