1356800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{53}}^1$

素因数の和:83

約数の個数: 66

約数和(自身を含む): 3426678

約数和(自身を除く): 2069878

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 160, 200, 212, 256, 265, 320, 400, 424, 512, 530, 640, 800, 848, 1024, 1060, 1280, 1325, 1600, 1696, 2120, 2560, 2650, 3200, 3392, 4240, 5120, 5300, 6400, 6784, 8480, 10600, 12800, 13568, 16960, 21200, 25600, 27136, 33920, 42400, 54272, 67840, 84800, 135680, 169600, 271360, 339200, 678400, 1356800]

約数ペア:

[(1, 1356800), (2, 678400), (4, 339200), (5, 271360), (8, 169600), (10, 135680), (16, 84800), (20, 67840), (25, 54272), (32, 42400), (40, 33920), (50, 27136), (53, 25600), (64, 21200), (80, 16960), (100, 13568), (106, 12800), (128, 10600), (160, 8480), (200, 6784), (212, 6400), (256, 5300), (265, 5120), (320, 4240), (400, 3392), (424, 3200), (512, 2650), (530, 2560), (640, 2120), (800, 1696), (848, 1600), (1024, 1325), (1060, 1280)]