21625920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2503}}^1$

素因数の和:2529

約数の個数: 112

約数和(自身を含む): 76321920

約数和(自身を除く): 54696000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2503, 2880, 4320, 5006, 7509, 8640, 10012, 12515, 15018, 20024, 22527, 25030, 30036, 37545, 40048, 45054, 50060, 60072, 67581, 75090, 80096, 90108, 100120, 112635, 120144, 135162, 150180, 160192, 180216, 200240, 225270, 240288, 270324, 300360, 337905, 360432, 400480, 450540, 480576, 540648, 600720, 675810, 720864, 800960, 901080, 1081296, 1201440, 1351620, 1441728, 1802160, 2162592, 2402880, 2703240, 3604320, 4325184, 5406480, 7208640, 10812960, 21625920]

約数ペア:

[(1, 21625920), (2, 10812960), (3, 7208640), (4, 5406480), (5, 4325184), (6, 3604320), (8, 2703240), (9, 2402880), (10, 2162592), (12, 1802160), (15, 1441728), (16, 1351620), (18, 1201440), (20, 1081296), (24, 901080), (27, 800960), (30, 720864), (32, 675810), (36, 600720), (40, 540648), (45, 480576), (48, 450540), (54, 400480), (60, 360432), (64, 337905), (72, 300360), (80, 270324), (90, 240288), (96, 225270), (108, 200240), (120, 180216), (135, 160192), (144, 150180), (160, 135162), (180, 120144), (192, 112635), (216, 100120), (240, 90108), (270, 80096), (288, 75090), (320, 67581), (360, 60072), (432, 50060), (480, 45054), (540, 40048), (576, 37545), (720, 30036), (864, 25030), (960, 22527), (1080, 20024), (1440, 15018), (1728, 12515), (2160, 10012), (2503, 8640), (2880, 7509), (4320, 5006)]