77977440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54151}}^1$

素因数の和:54172

約数の個数: 72

約数和(自身を含む): 266102928

約数和(自身を除く): 188125488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54151, 108302, 162453, 216604, 270755, 324906, 433208, 487359, 541510, 649812, 812265, 866416, 974718, 1083020, 1299624, 1624530, 1732832, 1949436, 2166040, 2436795, 2599248, 3249060, 3898872, 4332080, 4873590, 5198496, 6498120, 7797744, 8664160, 9747180, 12996240, 15595488, 19494360, 25992480, 38988720, 77977440]

約数ペア:

[(1, 77977440), (2, 38988720), (3, 25992480), (4, 19494360), (5, 15595488), (6, 12996240), (8, 9747180), (9, 8664160), (10, 7797744), (12, 6498120), (15, 5198496), (16, 4873590), (18, 4332080), (20, 3898872), (24, 3249060), (30, 2599248), (32, 2436795), (36, 2166040), (40, 1949436), (45, 1732832), (48, 1624530), (60, 1299624), (72, 1083020), (80, 974718), (90, 866416), (96, 812265), (120, 649812), (144, 541510), (160, 487359), (180, 433208), (240, 324906), (288, 270755), (360, 216604), (480, 162453), (720, 108302), (1440, 54151)]