1212800

素因数分解:

$2^7\times 5^2\times {\mathrm{379}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 3003900

約数和(自身を除く): 1791100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 379, 400, 640, 758, 800, 1516, 1600, 1895, 3032, 3200, 3790, 6064, 7580, 9475, 12128, 15160, 18950, 24256, 30320, 37900, 48512, 60640, 75800, 121280, 151600, 242560, 303200, 606400, 1212800]

約数ペア:

[(1, 1212800), (2, 606400), (4, 303200), (5, 242560), (8, 151600), (10, 121280), (16, 75800), (20, 60640), (25, 48512), (32, 37900), (40, 30320), (50, 24256), (64, 18950), (80, 15160), (100, 12128), (128, 9475), (160, 7580), (200, 6064), (320, 3790), (379, 3200), (400, 3032), (640, 1895), (758, 1600), (800, 1516)]