68634880

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 174118140

約数和(自身を除く): 105483260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 128, 145, 160, 172, 215, 232, 256, 290, 320, 344, 430, 464, 580, 640, 688, 860, 928, 1160, 1247, 1280, 1376, 1720, 1849, 1856, 2320, 2494, 2752, 3440, 3698, 3712, 4640, 4988, 5504, 6235, 6880, 7396, 7424, 9245, 9280, 9976, 11008, 12470, 13760, 14792, 18490, 18560, 19952, 24940, 27520, 29584, 36980, 37120, 39904, 49880, 53621, 55040, 59168, 73960, 79808, 99760, 107242, 118336, 147920, 159616, 199520, 214484, 236672, 268105, 295840, 319232, 399040, 428968, 473344, 536210, 591680, 798080, 857936, 1072420, 1183360, 1596160, 1715872, 2144840, 2366720, 3431744, 4289680, 6863488, 8579360, 13726976, 17158720, 34317440, 68634880]

約数ペア:

[(1, 68634880), (2, 34317440), (4, 17158720), (5, 13726976), (8, 8579360), (10, 6863488), (16, 4289680), (20, 3431744), (29, 2366720), (32, 2144840), (40, 1715872), (43, 1596160), (58, 1183360), (64, 1072420), (80, 857936), (86, 798080), (116, 591680), (128, 536210), (145, 473344), (160, 428968), (172, 399040), (215, 319232), (232, 295840), (256, 268105), (290, 236672), (320, 214484), (344, 199520), (430, 159616), (464, 147920), (580, 118336), (640, 107242), (688, 99760), (860, 79808), (928, 73960), (1160, 59168), (1247, 55040), (1280, 53621), (1376, 49880), (1720, 39904), (1849, 37120), (1856, 36980), (2320, 29584), (2494, 27520), (2752, 24940), (3440, 19952), (3698, 18560), (3712, 18490), (4640, 14792), (4988, 13760), (5504, 12470), (6235, 11008), (6880, 9976), (7396, 9280), (7424, 9245)]