81208008

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{17903}}^1$

素因数の和:17928

約数の個数: 80

約数和(自身を含む): 259966080

約数和(自身を除く): 178758072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 17903, 35806, 53709, 71612, 107418, 125321, 143224, 161127, 214836, 250642, 322254, 375963, 429672, 483381, 501284, 644508, 751926, 966762, 1002568, 1127889, 1289016, 1450143, 1503852, 1933524, 2255778, 2900286, 3007704, 3383667, 3867048, 4511556, 5800572, 6767334, 9023112, 10151001, 11601144, 13534668, 20302002, 27069336, 40604004, 81208008]

約数ペア:

[(1, 81208008), (2, 40604004), (3, 27069336), (4, 20302002), (6, 13534668), (7, 11601144), (8, 10151001), (9, 9023112), (12, 6767334), (14, 5800572), (18, 4511556), (21, 3867048), (24, 3383667), (27, 3007704), (28, 2900286), (36, 2255778), (42, 1933524), (54, 1503852), (56, 1450143), (63, 1289016), (72, 1127889), (81, 1002568), (84, 966762), (108, 751926), (126, 644508), (162, 501284), (168, 483381), (189, 429672), (216, 375963), (252, 322254), (324, 250642), (378, 214836), (504, 161127), (567, 143224), (648, 125321), (756, 107418), (1134, 71612), (1512, 53709), (2268, 35806), (4536, 17903)]