240990720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31379}}^1$

素因数の和:31405

約数の個数: 80

約数和(自身を含む): 770441760

約数和(自身を除く): 529451040

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, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 31379, 62758, 94137, 125516, 156895, 188274, 251032, 313790, 376548, 470685, 502064, 627580, 753096, 941370, 1004128, 1255160, 1506192, 1882740, 2008256, 2510320, 3012384, 3765480, 4016512, 5020640, 6024768, 7530960, 8033024, 10041280, 12049536, 15061920, 16066048, 20082560, 24099072, 30123840, 40165120, 48198144, 60247680, 80330240, 120495360, 240990720]

約数ペア:

[(1, 240990720), (2, 120495360), (3, 80330240), (4, 60247680), (5, 48198144), (6, 40165120), (8, 30123840), (10, 24099072), (12, 20082560), (15, 16066048), (16, 15061920), (20, 12049536), (24, 10041280), (30, 8033024), (32, 7530960), (40, 6024768), (48, 5020640), (60, 4016512), (64, 3765480), (80, 3012384), (96, 2510320), (120, 2008256), (128, 1882740), (160, 1506192), (192, 1255160), (240, 1004128), (256, 941370), (320, 753096), (384, 627580), (480, 502064), (512, 470685), (640, 376548), (768, 313790), (960, 251032), (1280, 188274), (1536, 156895), (1920, 125516), (2560, 94137), (3840, 62758), (7680, 31379)]