15552720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21601}}^1$

素因数の和:21620

約数の個数: 60

約数和(自身を含む): 52233636

約数和(自身を除く): 36680916

約数列:

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

約数ペア:

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