127680345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 243457344

約数和(自身を除く): 115776999

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 163, 169, 195, 309, 489, 507, 515, 585, 815, 845, 927, 1339, 1467, 1521, 1545, 2119, 2445, 2535, 4017, 4635, 6357, 6695, 7335, 7605, 10595, 12051, 16789, 17407, 19071, 20085, 27547, 31785, 50367, 52221, 60255, 82641, 83945, 87035, 95355, 137735, 151101, 156663, 218257, 247923, 251835, 261105, 413205, 654771, 755505, 783315, 1091285, 1239615, 1964313, 2837341, 3273855, 8512023, 9821565, 14186705, 25536069, 42560115, 127680345]

約数ペア:

[(1, 127680345), (3, 42560115), (5, 25536069), (9, 14186705), (13, 9821565), (15, 8512023), (39, 3273855), (45, 2837341), (65, 1964313), (103, 1239615), (117, 1091285), (163, 783315), (169, 755505), (195, 654771), (309, 413205), (489, 261105), (507, 251835), (515, 247923), (585, 218257), (815, 156663), (845, 151101), (927, 137735), (1339, 95355), (1467, 87035), (1521, 83945), (1545, 82641), (2119, 60255), (2445, 52221), (2535, 50367), (4017, 31785), (4635, 27547), (6357, 20085), (6695, 19071), (7335, 17407), (7605, 16789), (10595, 12051)]