1921369600

素因数分解:

$2^9\times 5^2\times {\mathrm{150107}}^1$

素因数の和:150135

約数の個数: 60

約数和(自身を含む): 4760375004

約数和(自身を除く): 2839005404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 150107, 300214, 600428, 750535, 1200856, 1501070, 2401712, 3002140, 3752675, 4803424, 6004280, 7505350, 9606848, 12008560, 15010700, 19213696, 24017120, 30021400, 38427392, 48034240, 60042800, 76854784, 96068480, 120085600, 192136960, 240171200, 384273920, 480342400, 960684800, 1921369600]

約数ペア:

[(1, 1921369600), (2, 960684800), (4, 480342400), (5, 384273920), (8, 240171200), (10, 192136960), (16, 120085600), (20, 96068480), (25, 76854784), (32, 60042800), (40, 48034240), (50, 38427392), (64, 30021400), (80, 24017120), (100, 19213696), (128, 15010700), (160, 12008560), (200, 9606848), (256, 7505350), (320, 6004280), (400, 4803424), (512, 3752675), (640, 3002140), (800, 2401712), (1280, 1501070), (1600, 1200856), (2560, 750535), (3200, 600428), (6400, 300214), (12800, 150107)]