66270820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1921

約数の個数: 96

約数和(自身を含む): 181149696

約数和(自身を除く): 114878876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 1871, 2530, 3220, 3542, 3742, 5060, 7084, 7484, 8855, 9355, 13097, 17710, 18710, 20581, 26194, 35420, 37420, 41162, 43033, 52388, 65485, 82324, 86066, 102905, 130970, 144067, 172132, 205810, 215165, 261940, 288134, 301231, 411620, 430330, 473363, 576268, 602462, 720335, 860660, 946726, 1204924, 1440670, 1506155, 1893452, 2366815, 2881340, 3012310, 3313541, 4733630, 6024620, 6627082, 9467260, 13254164, 16567705, 33135410, 66270820]

約数ペア:

[(1, 66270820), (2, 33135410), (4, 16567705), (5, 13254164), (7, 9467260), (10, 6627082), (11, 6024620), (14, 4733630), (20, 3313541), (22, 3012310), (23, 2881340), (28, 2366815), (35, 1893452), (44, 1506155), (46, 1440670), (55, 1204924), (70, 946726), (77, 860660), (92, 720335), (110, 602462), (115, 576268), (140, 473363), (154, 430330), (161, 411620), (220, 301231), (230, 288134), (253, 261940), (308, 215165), (322, 205810), (385, 172132), (460, 144067), (506, 130970), (644, 102905), (770, 86066), (805, 82324), (1012, 65485), (1265, 52388), (1540, 43033), (1610, 41162), (1771, 37420), (1871, 35420), (2530, 26194), (3220, 20581), (3542, 18710), (3742, 17710), (5060, 13097), (7084, 9355), (7484, 8855)]