161311440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{672131}}^1$

素因数の和:672147

約数の個数: 40

約数和(自身を含む): 500066208

約数和(自身を除く): 338754768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 672131, 1344262, 2016393, 2688524, 3360655, 4032786, 5377048, 6721310, 8065572, 10081965, 10754096, 13442620, 16131144, 20163930, 26885240, 32262288, 40327860, 53770480, 80655720, 161311440]

約数ペア:

[(1, 161311440), (2, 80655720), (3, 53770480), (4, 40327860), (5, 32262288), (6, 26885240), (8, 20163930), (10, 16131144), (12, 13442620), (15, 10754096), (16, 10081965), (20, 8065572), (24, 6721310), (30, 5377048), (40, 4032786), (48, 3360655), (60, 2688524), (80, 2016393), (120, 1344262), (240, 672131)]