18720205440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{56359}}^1$

素因数の和:56554

約数の個数: 128

約数和(自身を含む): 60016636800

約数和(自身を除く): 41296431360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 173, 192, 240, 320, 346, 384, 480, 519, 640, 692, 865, 960, 1038, 1384, 1730, 1920, 2076, 2595, 2768, 3460, 4152, 5190, 5536, 6920, 8304, 10380, 11072, 13840, 16608, 20760, 22144, 27680, 33216, 41520, 55360, 56359, 66432, 83040, 110720, 112718, 166080, 169077, 225436, 281795, 332160, 338154, 450872, 563590, 676308, 845385, 901744, 1127180, 1352616, 1690770, 1803488, 2254360, 2705232, 3381540, 3606976, 4508720, 5410464, 6763080, 7213952, 9017440, 9750107, 10820928, 13526160, 18034880, 19500214, 21641856, 27052320, 29250321, 36069760, 39000428, 48750535, 54104640, 58500642, 78000856, 97501070, 108209280, 117001284, 146251605, 156001712, 195002140, 234002568, 292503210, 312003424, 390004280, 468005136, 585006420, 624006848, 780008560, 936010272, 1170012840, 1248013696, 1560017120, 1872020544, 2340025680, 3120034240, 3744041088, 4680051360, 6240068480, 9360102720, 18720205440]

約数ペア:

[(1, 18720205440), (2, 9360102720), (3, 6240068480), (4, 4680051360), (5, 3744041088), (6, 3120034240), (8, 2340025680), (10, 1872020544), (12, 1560017120), (15, 1248013696), (16, 1170012840), (20, 936010272), (24, 780008560), (30, 624006848), (32, 585006420), (40, 468005136), (48, 390004280), (60, 312003424), (64, 292503210), (80, 234002568), (96, 195002140), (120, 156001712), (128, 146251605), (160, 117001284), (173, 108209280), (192, 97501070), (240, 78000856), (320, 58500642), (346, 54104640), (384, 48750535), (480, 39000428), (519, 36069760), (640, 29250321), (692, 27052320), (865, 21641856), (960, 19500214), (1038, 18034880), (1384, 13526160), (1730, 10820928), (1920, 9750107), (2076, 9017440), (2595, 7213952), (2768, 6763080), (3460, 5410464), (4152, 4508720), (5190, 3606976), (5536, 3381540), (6920, 2705232), (8304, 2254360), (10380, 1803488), (11072, 1690770), (13840, 1352616), (16608, 1127180), (20760, 901744), (22144, 845385), (27680, 676308), (33216, 563590), (41520, 450872), (55360, 338154), (56359, 332160), (66432, 281795), (83040, 225436), (110720, 169077), (112718, 166080)]