81557297280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{4719751}}^1$

素因数の和:4719779

約数の個数: 128

約数和(自身を含む): 288848822400

約数和(自身を除く): 207291525120

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, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 4719751, 9439502, 14159253, 18879004, 23598755, 28318506, 37758008, 42477759, 47197510, 56637012, 70796265, 75516016, 84955518, 94395020, 113274024, 127433277, 141592530, 151032032, 169911036, 188790040, 212388795, 226548048, 254866554, 283185060, 302064064, 339822072, 377580080, 424777590, 453096096, 509733108, 566370120, 604128128, 637166385, 679644144, 755160160, 849555180, 906192192, 1019466216, 1132740240, 1274332770, 1359288288, 1510320320, 1699110360, 1812384384, 2038932432, 2265480480, 2548665540, 2718576576, 3020640640, 3398220720, 4077864864, 4530960960, 5097331080, 5437153152, 6796441440, 8155729728, 9061921920, 10194662160, 13592882880, 16311459456, 20389324320, 27185765760, 40778648640, 81557297280]

約数ペア:

[(1, 81557297280), (2, 40778648640), (3, 27185765760), (4, 20389324320), (5, 16311459456), (6, 13592882880), (8, 10194662160), (9, 9061921920), (10, 8155729728), (12, 6796441440), (15, 5437153152), (16, 5097331080), (18, 4530960960), (20, 4077864864), (24, 3398220720), (27, 3020640640), (30, 2718576576), (32, 2548665540), (36, 2265480480), (40, 2038932432), (45, 1812384384), (48, 1699110360), (54, 1510320320), (60, 1359288288), (64, 1274332770), (72, 1132740240), (80, 1019466216), (90, 906192192), (96, 849555180), (108, 755160160), (120, 679644144), (128, 637166385), (135, 604128128), (144, 566370120), (160, 509733108), (180, 453096096), (192, 424777590), (216, 377580080), (240, 339822072), (270, 302064064), (288, 283185060), (320, 254866554), (360, 226548048), (384, 212388795), (432, 188790040), (480, 169911036), (540, 151032032), (576, 141592530), (640, 127433277), (720, 113274024), (864, 94395020), (960, 84955518), (1080, 75516016), (1152, 70796265), (1440, 56637012), (1728, 47197510), (1920, 42477759), (2160, 37758008), (2880, 28318506), (3456, 23598755), (4320, 18879004), (5760, 14159253), (8640, 9439502), (17280, 4719751)]