68638720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6703}}^1$

素因数の和:6730

約数の個数: 48

約数和(自身を含む): 164717280

約数和(自身を除く): 96078560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6703, 10240, 13406, 26812, 33515, 53624, 67030, 107248, 134060, 214496, 268120, 428992, 536240, 857984, 1072480, 1715968, 2144960, 3431936, 4289920, 6863872, 8579840, 13727744, 17159680, 34319360, 68638720]

約数ペア:

[(1, 68638720), (2, 34319360), (4, 17159680), (5, 13727744), (8, 8579840), (10, 6863872), (16, 4289920), (20, 3431936), (32, 2144960), (40, 1715968), (64, 1072480), (80, 857984), (128, 536240), (160, 428992), (256, 268120), (320, 214496), (512, 134060), (640, 107248), (1024, 67030), (1280, 53624), (2048, 33515), (2560, 26812), (5120, 13406), (6703, 10240)]