320468379

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 560387520

約数和(自身を除く): 239919141

約数列:

[1, 3, 7, 11, 21, 33, 43, 49, 77, 121, 129, 147, 231, 301, 363, 419, 473, 539, 847, 903, 1257, 1419, 1617, 2107, 2541, 2933, 3311, 4609, 5203, 5929, 6321, 8799, 9933, 13827, 15609, 17787, 18017, 20531, 23177, 32263, 36421, 50699, 54051, 61593, 69531, 96789, 109263, 126119, 152097, 198187, 225841, 254947, 354893, 378357, 594561, 677523, 764841, 882833, 1064679, 1387309, 2180057, 2484251, 2648499, 4161927, 6540171, 7452753, 9711163, 15260399, 29133489, 45781197, 106822793, 320468379]

約数ペア:

[(1, 320468379), (3, 106822793), (7, 45781197), (11, 29133489), (21, 15260399), (33, 9711163), (43, 7452753), (49, 6540171), (77, 4161927), (121, 2648499), (129, 2484251), (147, 2180057), (231, 1387309), (301, 1064679), (363, 882833), (419, 764841), (473, 677523), (539, 594561), (847, 378357), (903, 354893), (1257, 254947), (1419, 225841), (1617, 198187), (2107, 152097), (2541, 126119), (2933, 109263), (3311, 96789), (4609, 69531), (5203, 61593), (5929, 54051), (6321, 50699), (8799, 36421), (9933, 32263), (13827, 23177), (15609, 20531), (17787, 18017)]