81653440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23197}}^1$

素因数の和:23225

約数の個数: 56

約数和(自身を含む): 212122512

約数和(自身を除く): 130469072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 23197, 46394, 92788, 115985, 185576, 231970, 255167, 371152, 463940, 510334, 742304, 927880, 1020668, 1275835, 1484608, 1855760, 2041336, 2551670, 3711520, 4082672, 5103340, 7423040, 8165344, 10206680, 16330688, 20413360, 40826720, 81653440]

約数ペア:

[(1, 81653440), (2, 40826720), (4, 20413360), (5, 16330688), (8, 10206680), (10, 8165344), (11, 7423040), (16, 5103340), (20, 4082672), (22, 3711520), (32, 2551670), (40, 2041336), (44, 1855760), (55, 1484608), (64, 1275835), (80, 1020668), (88, 927880), (110, 742304), (160, 510334), (176, 463940), (220, 371152), (320, 255167), (352, 231970), (440, 185576), (704, 115985), (880, 92788), (1760, 46394), (3520, 23197)]