81495360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28297}}^1$

素因数の和:28320

約数の個数: 84

約数和(自身を含む): 280319988

約数和(自身を除く): 198824628

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, 28297, 56594, 84891, 113188, 141485, 169782, 226376, 254673, 282970, 339564, 424455, 452752, 509346, 565940, 679128, 848910, 905504, 1018692, 1131880, 1273365, 1358256, 1697820, 1811008, 2037384, 2263760, 2546730, 2716512, 3395640, 4074768, 4527520, 5093460, 5433024, 6791280, 8149536, 9055040, 10186920, 13582560, 16299072, 20373840, 27165120, 40747680, 81495360]

約数ペア:

[(1, 81495360), (2, 40747680), (3, 27165120), (4, 20373840), (5, 16299072), (6, 13582560), (8, 10186920), (9, 9055040), (10, 8149536), (12, 6791280), (15, 5433024), (16, 5093460), (18, 4527520), (20, 4074768), (24, 3395640), (30, 2716512), (32, 2546730), (36, 2263760), (40, 2037384), (45, 1811008), (48, 1697820), (60, 1358256), (64, 1273365), (72, 1131880), (80, 1018692), (90, 905504), (96, 848910), (120, 679128), (144, 565940), (160, 509346), (180, 452752), (192, 424455), (240, 339564), (288, 282970), (320, 254673), (360, 226376), (480, 169782), (576, 141485), (720, 113188), (960, 84891), (1440, 56594), (2880, 28297)]