720324

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 2122848

約数和(自身を除く): 1402524

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 107, 132, 153, 187, 198, 204, 214, 306, 321, 374, 396, 428, 561, 612, 642, 748, 963, 1122, 1177, 1284, 1683, 1819, 1926, 2244, 2354, 3366, 3531, 3638, 3852, 4708, 5457, 6732, 7062, 7276, 10593, 10914, 14124, 16371, 20009, 21186, 21828, 32742, 40018, 42372, 60027, 65484, 80036, 120054, 180081, 240108, 360162, 720324]

約数ペア:

[(1, 720324), (2, 360162), (3, 240108), (4, 180081), (6, 120054), (9, 80036), (11, 65484), (12, 60027), (17, 42372), (18, 40018), (22, 32742), (33, 21828), (34, 21186), (36, 20009), (44, 16371), (51, 14124), (66, 10914), (68, 10593), (99, 7276), (102, 7062), (107, 6732), (132, 5457), (153, 4708), (187, 3852), (198, 3638), (204, 3531), (214, 3366), (306, 2354), (321, 2244), (374, 1926), (396, 1819), (428, 1683), (561, 1284), (612, 1177), (642, 1122), (748, 963)]