81906864

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 120

約数和(自身を含む): 239627520

約数和(自身を除く): 157720656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 169, 184, 208, 276, 299, 312, 338, 368, 439, 507, 552, 598, 624, 676, 878, 897, 1014, 1104, 1196, 1317, 1352, 1756, 1794, 2028, 2392, 2634, 2704, 3512, 3588, 3887, 4056, 4784, 5268, 5707, 7024, 7176, 7774, 8112, 10097, 10536, 11414, 11661, 14352, 15548, 17121, 20194, 21072, 22828, 23322, 30291, 31096, 34242, 40388, 45656, 46644, 60582, 62192, 68484, 74191, 80776, 91312, 93288, 121164, 131261, 136968, 148382, 161552, 186576, 222573, 242328, 262522, 273936, 296764, 393783, 445146, 484656, 525044, 593528, 787566, 890292, 1050088, 1187056, 1575132, 1706393, 1780584, 2100176, 3150264, 3412786, 3561168, 5119179, 6300528, 6825572, 10238358, 13651144, 20476716, 27302288, 40953432, 81906864]

約数ペア:

[(1, 81906864), (2, 40953432), (3, 27302288), (4, 20476716), (6, 13651144), (8, 10238358), (12, 6825572), (13, 6300528), (16, 5119179), (23, 3561168), (24, 3412786), (26, 3150264), (39, 2100176), (46, 1780584), (48, 1706393), (52, 1575132), (69, 1187056), (78, 1050088), (92, 890292), (104, 787566), (138, 593528), (156, 525044), (169, 484656), (184, 445146), (208, 393783), (276, 296764), (299, 273936), (312, 262522), (338, 242328), (368, 222573), (439, 186576), (507, 161552), (552, 148382), (598, 136968), (624, 131261), (676, 121164), (878, 93288), (897, 91312), (1014, 80776), (1104, 74191), (1196, 68484), (1317, 62192), (1352, 60582), (1756, 46644), (1794, 45656), (2028, 40388), (2392, 34242), (2634, 31096), (2704, 30291), (3512, 23322), (3588, 22828), (3887, 21072), (4056, 20194), (4784, 17121), (5268, 15548), (5707, 14352), (7024, 11661), (7176, 11414), (7774, 10536), (8112, 10097)]