71911620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36319}}^1$

素因数の和:36345

約数の個数: 72

約数和(自身を含む): 237968640

約数和(自身を除く): 166057020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 36319, 72638, 108957, 145276, 181595, 217914, 326871, 363190, 399509, 435828, 544785, 653742, 726380, 799018, 1089570, 1198527, 1307484, 1598036, 1634355, 1997545, 2179140, 2397054, 3268710, 3595581, 3995090, 4794108, 5992635, 6537420, 7191162, 7990180, 11985270, 14382324, 17977905, 23970540, 35955810, 71911620]

約数ペア:

[(1, 71911620), (2, 35955810), (3, 23970540), (4, 17977905), (5, 14382324), (6, 11985270), (9, 7990180), (10, 7191162), (11, 6537420), (12, 5992635), (15, 4794108), (18, 3995090), (20, 3595581), (22, 3268710), (30, 2397054), (33, 2179140), (36, 1997545), (44, 1634355), (45, 1598036), (55, 1307484), (60, 1198527), (66, 1089570), (90, 799018), (99, 726380), (110, 653742), (132, 544785), (165, 435828), (180, 399509), (198, 363190), (220, 326871), (330, 217914), (396, 181595), (495, 145276), (660, 108957), (990, 72638), (1980, 36319)]