77724780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26437}}^1$

素因数の和:26463

約数の個数: 72

約数和(自身を含む): 253170288

約数和(自身を除く): 175445508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 26437, 52874, 79311, 105748, 132185, 158622, 185059, 264370, 317244, 370118, 396555, 528740, 555177, 740236, 793110, 925295, 1110354, 1295413, 1586220, 1850590, 2220708, 2590826, 2775885, 3701180, 3886239, 5181652, 5551770, 6477065, 7772478, 11103540, 12954130, 15544956, 19431195, 25908260, 38862390, 77724780]

約数ペア:

[(1, 77724780), (2, 38862390), (3, 25908260), (4, 19431195), (5, 15544956), (6, 12954130), (7, 11103540), (10, 7772478), (12, 6477065), (14, 5551770), (15, 5181652), (20, 3886239), (21, 3701180), (28, 2775885), (30, 2590826), (35, 2220708), (42, 1850590), (49, 1586220), (60, 1295413), (70, 1110354), (84, 925295), (98, 793110), (105, 740236), (140, 555177), (147, 528740), (196, 396555), (210, 370118), (245, 317244), (294, 264370), (420, 185059), (490, 158622), (588, 132185), (735, 105748), (980, 79311), (1470, 52874), (2940, 26437)]