31105440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21601}}^1$

素因数の和:21622

約数の個数: 72

約数和(自身を含む): 106152228

約数和(自身を除く): 75046788

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, 21601, 43202, 64803, 86404, 108005, 129606, 172808, 194409, 216010, 259212, 324015, 345616, 388818, 432020, 518424, 648030, 691232, 777636, 864040, 972045, 1036848, 1296060, 1555272, 1728080, 1944090, 2073696, 2592120, 3110544, 3456160, 3888180, 5184240, 6221088, 7776360, 10368480, 15552720, 31105440]

約数ペア:

[(1, 31105440), (2, 15552720), (3, 10368480), (4, 7776360), (5, 6221088), (6, 5184240), (8, 3888180), (9, 3456160), (10, 3110544), (12, 2592120), (15, 2073696), (16, 1944090), (18, 1728080), (20, 1555272), (24, 1296060), (30, 1036848), (32, 972045), (36, 864040), (40, 777636), (45, 691232), (48, 648030), (60, 518424), (72, 432020), (80, 388818), (90, 345616), (96, 324015), (120, 259212), (144, 216010), (160, 194409), (180, 172808), (240, 129606), (288, 108005), (360, 86404), (480, 64803), (720, 43202), (1440, 21601)]