81270720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28219}}^1$

素因数の和:28242

約数の個数: 84

約数和(自身を含む): 279547320

約数和(自身を除く): 198276600

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28219, 56438, 84657, 112876, 141095, 169314, 225752, 253971, 282190, 338628, 423285, 451504, 507942, 564380, 677256, 846570, 903008, 1015884, 1128760, 1269855, 1354512, 1693140, 1806016, 2031768, 2257520, 2539710, 2709024, 3386280, 4063536, 4515040, 5079420, 5418048, 6772560, 8127072, 9030080, 10158840, 13545120, 16254144, 20317680, 27090240, 40635360, 81270720]

約数ペア:

[(1, 81270720), (2, 40635360), (3, 27090240), (4, 20317680), (5, 16254144), (6, 13545120), (8, 10158840), (9, 9030080), (10, 8127072), (12, 6772560), (15, 5418048), (16, 5079420), (18, 4515040), (20, 4063536), (24, 3386280), (30, 2709024), (32, 2539710), (36, 2257520), (40, 2031768), (45, 1806016), (48, 1693140), (60, 1354512), (64, 1269855), (72, 1128760), (80, 1015884), (90, 903008), (96, 846570), (120, 677256), (144, 564380), (160, 507942), (180, 451504), (192, 423285), (240, 338628), (288, 282190), (320, 253971), (360, 225752), (480, 169314), (576, 141095), (720, 112876), (960, 84657), (1440, 56438), (2880, 28219)]