81316080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112939}}^1$

素因数の和:112958

約数の個数: 60

約数和(自身を含む): 273088920

約数和(自身を除く): 191772840

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, 112939, 225878, 338817, 451756, 564695, 677634, 903512, 1016451, 1129390, 1355268, 1694085, 1807024, 2032902, 2258780, 2710536, 3388170, 4065804, 4517560, 5082255, 5421072, 6776340, 8131608, 9035120, 10164510, 13552680, 16263216, 20329020, 27105360, 40658040, 81316080]

約数ペア:

[(1, 81316080), (2, 40658040), (3, 27105360), (4, 20329020), (5, 16263216), (6, 13552680), (8, 10164510), (9, 9035120), (10, 8131608), (12, 6776340), (15, 5421072), (16, 5082255), (18, 4517560), (20, 4065804), (24, 3388170), (30, 2710536), (36, 2258780), (40, 2032902), (45, 1807024), (48, 1694085), (60, 1355268), (72, 1129390), (80, 1016451), (90, 903512), (120, 677634), (144, 564695), (180, 451756), (240, 338817), (360, 225878), (720, 112939)]