661760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 1766016

約数和(自身を除く): 1104256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 220, 235, 256, 320, 352, 376, 440, 470, 517, 640, 704, 752, 880, 940, 1034, 1280, 1408, 1504, 1760, 1880, 2068, 2585, 2816, 3008, 3520, 3760, 4136, 5170, 6016, 7040, 7520, 8272, 10340, 12032, 14080, 15040, 16544, 20680, 30080, 33088, 41360, 60160, 66176, 82720, 132352, 165440, 330880, 661760]

約数ペア:

[(1, 661760), (2, 330880), (4, 165440), (5, 132352), (8, 82720), (10, 66176), (11, 60160), (16, 41360), (20, 33088), (22, 30080), (32, 20680), (40, 16544), (44, 15040), (47, 14080), (55, 12032), (64, 10340), (80, 8272), (88, 7520), (94, 7040), (110, 6016), (128, 5170), (160, 4136), (176, 3760), (188, 3520), (220, 3008), (235, 2816), (256, 2585), (320, 2068), (352, 1880), (376, 1760), (440, 1504), (470, 1408), (517, 1280), (640, 1034), (704, 940), (752, 880)]