1275991680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{664579}}^1$

素因数の和:664601

約数の個数: 64

約数和(自身を含む): 4067229600

約数和(自身を除く): 2791237920

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, 320, 384, 480, 640, 960, 1920, 664579, 1329158, 1993737, 2658316, 3322895, 3987474, 5316632, 6645790, 7974948, 9968685, 10633264, 13291580, 15949896, 19937370, 21266528, 26583160, 31899792, 39874740, 42533056, 53166320, 63799584, 79749480, 85066112, 106332640, 127599168, 159498960, 212665280, 255198336, 318997920, 425330560, 637995840, 1275991680]

約数ペア:

[(1, 1275991680), (2, 637995840), (3, 425330560), (4, 318997920), (5, 255198336), (6, 212665280), (8, 159498960), (10, 127599168), (12, 106332640), (15, 85066112), (16, 79749480), (20, 63799584), (24, 53166320), (30, 42533056), (32, 39874740), (40, 31899792), (48, 26583160), (60, 21266528), (64, 19937370), (80, 15949896), (96, 13291580), (120, 10633264), (128, 9968685), (160, 7974948), (192, 6645790), (240, 5316632), (320, 3987474), (384, 3322895), (480, 2658316), (640, 1993737), (960, 1329158), (1920, 664579)]