721224

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 2358720

約数和(自身を除く): 1637496

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, 243, 252, 318, 324, 371, 378, 424, 477, 486, 504, 567, 636, 648, 742, 756, 954, 972, 1113, 1134, 1272, 1431, 1484, 1512, 1701, 1908, 1944, 2226, 2268, 2862, 2968, 3339, 3402, 3816, 4293, 4452, 4536, 5724, 6678, 6804, 8586, 8904, 10017, 11448, 12879, 13356, 13608, 17172, 20034, 25758, 26712, 30051, 34344, 40068, 51516, 60102, 80136, 90153, 103032, 120204, 180306, 240408, 360612, 721224]

約数ペア:

[(1, 721224), (2, 360612), (3, 240408), (4, 180306), (6, 120204), (7, 103032), (8, 90153), (9, 80136), (12, 60102), (14, 51516), (18, 40068), (21, 34344), (24, 30051), (27, 26712), (28, 25758), (36, 20034), (42, 17172), (53, 13608), (54, 13356), (56, 12879), (63, 11448), (72, 10017), (81, 8904), (84, 8586), (106, 6804), (108, 6678), (126, 5724), (159, 4536), (162, 4452), (168, 4293), (189, 3816), (212, 3402), (216, 3339), (243, 2968), (252, 2862), (318, 2268), (324, 2226), (371, 1944), (378, 1908), (424, 1701), (477, 1512), (486, 1484), (504, 1431), (567, 1272), (636, 1134), (648, 1113), (742, 972), (756, 954)]