81468720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37717}}^1$

素因数の和:37739

約数の個数: 80

約数和(自身を含む): 280621920

約数和(自身を除く): 199153200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37717, 75434, 113151, 150868, 188585, 226302, 301736, 339453, 377170, 452604, 565755, 603472, 678906, 754340, 905208, 1018359, 1131510, 1357812, 1508680, 1697265, 1810416, 2036718, 2263020, 2715624, 3017360, 3394530, 4073436, 4526040, 5091795, 5431248, 6789060, 8146872, 9052080, 10183590, 13578120, 16293744, 20367180, 27156240, 40734360, 81468720]

約数ペア:

[(1, 81468720), (2, 40734360), (3, 27156240), (4, 20367180), (5, 16293744), (6, 13578120), (8, 10183590), (9, 9052080), (10, 8146872), (12, 6789060), (15, 5431248), (16, 5091795), (18, 4526040), (20, 4073436), (24, 3394530), (27, 3017360), (30, 2715624), (36, 2263020), (40, 2036718), (45, 1810416), (48, 1697265), (54, 1508680), (60, 1357812), (72, 1131510), (80, 1018359), (90, 905208), (108, 754340), (120, 678906), (135, 603472), (144, 565755), (180, 452604), (216, 377170), (240, 339453), (270, 301736), (360, 226302), (432, 188585), (540, 150868), (720, 113151), (1080, 75434), (2160, 37717)]