138133760

素因数分解:

$2^8\times 5^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 332894016

約数和(自身を除く): 194760256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 347, 622, 640, 694, 1244, 1280, 1388, 1555, 1735, 2488, 2776, 3110, 3470, 4976, 5552, 6220, 6940, 9952, 11104, 12440, 13880, 19904, 22208, 24880, 27760, 39808, 44416, 49760, 55520, 79616, 88832, 99520, 107917, 111040, 199040, 215834, 222080, 398080, 431668, 444160, 539585, 863336, 1079170, 1726672, 2158340, 3453344, 4316680, 6906688, 8633360, 13813376, 17266720, 27626752, 34533440, 69066880, 138133760]

約数ペア:

[(1, 138133760), (2, 69066880), (4, 34533440), (5, 27626752), (8, 17266720), (10, 13813376), (16, 8633360), (20, 6906688), (32, 4316680), (40, 3453344), (64, 2158340), (80, 1726672), (128, 1079170), (160, 863336), (256, 539585), (311, 444160), (320, 431668), (347, 398080), (622, 222080), (640, 215834), (694, 199040), (1244, 111040), (1280, 107917), (1388, 99520), (1555, 88832), (1735, 79616), (2488, 55520), (2776, 49760), (3110, 44416), (3470, 39808), (4976, 27760), (5552, 24880), (6220, 22208), (6940, 19904), (9952, 13880), (11104, 12440)]