71304640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 112

約数和(自身を含む): 189609984

約数和(自身を除く): 118305344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 160, 176, 188, 220, 235, 320, 352, 376, 431, 440, 470, 517, 704, 752, 862, 880, 940, 1034, 1504, 1724, 1760, 1880, 2068, 2155, 2585, 3008, 3448, 3520, 3760, 4136, 4310, 4741, 5170, 6896, 7520, 8272, 8620, 9482, 10340, 13792, 15040, 16544, 17240, 18964, 20257, 20680, 23705, 27584, 33088, 34480, 37928, 40514, 41360, 47410, 68960, 75856, 81028, 82720, 94820, 101285, 137920, 151712, 162056, 165440, 189640, 202570, 222827, 303424, 324112, 379280, 405140, 445654, 648224, 758560, 810280, 891308, 1114135, 1296448, 1517120, 1620560, 1782616, 2228270, 3241120, 3565232, 4456540, 6482240, 7130464, 8913080, 14260928, 17826160, 35652320, 71304640]

約数ペア:

[(1, 71304640), (2, 35652320), (4, 17826160), (5, 14260928), (8, 8913080), (10, 7130464), (11, 6482240), (16, 4456540), (20, 3565232), (22, 3241120), (32, 2228270), (40, 1782616), (44, 1620560), (47, 1517120), (55, 1296448), (64, 1114135), (80, 891308), (88, 810280), (94, 758560), (110, 648224), (160, 445654), (176, 405140), (188, 379280), (220, 324112), (235, 303424), (320, 222827), (352, 202570), (376, 189640), (431, 165440), (440, 162056), (470, 151712), (517, 137920), (704, 101285), (752, 94820), (862, 82720), (880, 81028), (940, 75856), (1034, 68960), (1504, 47410), (1724, 41360), (1760, 40514), (1880, 37928), (2068, 34480), (2155, 33088), (2585, 27584), (3008, 23705), (3448, 20680), (3520, 20257), (3760, 18964), (4136, 17240), (4310, 16544), (4741, 15040), (5170, 13792), (6896, 10340), (7520, 9482), (8272, 8620)]