240408

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{53}}^1$

素因数の和:78

約数の個数: 80

約数和(自身を含む): 784080

約数和(自身を除く): 543672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 53, 54, 56, 63, 72, 81, 84, 106, 108, 126, 159, 162, 168, 189, 212, 216, 252, 318, 324, 371, 378, 424, 477, 504, 567, 636, 648, 742, 756, 954, 1113, 1134, 1272, 1431, 1484, 1512, 1908, 2226, 2268, 2862, 2968, 3339, 3816, 4293, 4452, 4536, 5724, 6678, 8586, 8904, 10017, 11448, 13356, 17172, 20034, 26712, 30051, 34344, 40068, 60102, 80136, 120204, 240408]

約数ペア:

[(1, 240408), (2, 120204), (3, 80136), (4, 60102), (6, 40068), (7, 34344), (8, 30051), (9, 26712), (12, 20034), (14, 17172), (18, 13356), (21, 11448), (24, 10017), (27, 8904), (28, 8586), (36, 6678), (42, 5724), (53, 4536), (54, 4452), (56, 4293), (63, 3816), (72, 3339), (81, 2968), (84, 2862), (106, 2268), (108, 2226), (126, 1908), (159, 1512), (162, 1484), (168, 1431), (189, 1272), (212, 1134), (216, 1113), (252, 954), (318, 756), (324, 742), (371, 648), (378, 636), (424, 567), (477, 504)]