77958760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3418

約数の個数: 64

約数和(自身を含む): 195022080

約数和(自身を除く): 117063320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 3343, 4664, 5830, 6686, 11660, 13372, 16715, 23320, 26744, 33430, 36773, 66860, 73546, 133720, 147092, 177179, 183865, 294184, 354358, 367730, 708716, 735460, 885895, 1417432, 1470920, 1771790, 1948969, 3543580, 3897938, 7087160, 7795876, 9744845, 15591752, 19489690, 38979380, 77958760]

約数ペア:

[(1, 77958760), (2, 38979380), (4, 19489690), (5, 15591752), (8, 9744845), (10, 7795876), (11, 7087160), (20, 3897938), (22, 3543580), (40, 1948969), (44, 1771790), (53, 1470920), (55, 1417432), (88, 885895), (106, 735460), (110, 708716), (212, 367730), (220, 354358), (265, 294184), (424, 183865), (440, 177179), (530, 147092), (583, 133720), (1060, 73546), (1166, 66860), (2120, 36773), (2332, 33430), (2915, 26744), (3343, 23320), (4664, 16715), (5830, 13372), (6686, 11660)]