160642400

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1456

約数の個数: 72

約数和(自身を含む): 394974720

約数和(自身を除く): 234332320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 314, 400, 628, 785, 800, 1256, 1279, 1570, 2512, 2558, 3140, 3925, 5024, 5116, 6280, 6395, 7850, 10232, 12560, 12790, 15700, 20464, 25120, 25580, 31400, 31975, 40928, 51160, 62800, 63950, 102320, 125600, 127900, 200803, 204640, 255800, 401606, 511600, 803212, 1004015, 1023200, 1606424, 2008030, 3212848, 4016060, 5020075, 6425696, 8032120, 10040150, 16064240, 20080300, 32128480, 40160600, 80321200, 160642400]

約数ペア:

[(1, 160642400), (2, 80321200), (4, 40160600), (5, 32128480), (8, 20080300), (10, 16064240), (16, 10040150), (20, 8032120), (25, 6425696), (32, 5020075), (40, 4016060), (50, 3212848), (80, 2008030), (100, 1606424), (157, 1023200), (160, 1004015), (200, 803212), (314, 511600), (400, 401606), (628, 255800), (785, 204640), (800, 200803), (1256, 127900), (1279, 125600), (1570, 102320), (2512, 63950), (2558, 62800), (3140, 51160), (3925, 40928), (5024, 31975), (5116, 31400), (6280, 25580), (6395, 25120), (7850, 20464), (10232, 15700), (12560, 12790)]