16780160

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 40612320

約数和(自身を除く): 23832160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 167, 314, 320, 334, 628, 640, 668, 785, 835, 1256, 1336, 1570, 1670, 2512, 2672, 3140, 3340, 5024, 5344, 6280, 6680, 10048, 10688, 12560, 13360, 20096, 21376, 25120, 26219, 26720, 50240, 52438, 53440, 100480, 104876, 106880, 131095, 209752, 262190, 419504, 524380, 839008, 1048760, 1678016, 2097520, 3356032, 4195040, 8390080, 16780160]

約数ペア:

[(1, 16780160), (2, 8390080), (4, 4195040), (5, 3356032), (8, 2097520), (10, 1678016), (16, 1048760), (20, 839008), (32, 524380), (40, 419504), (64, 262190), (80, 209752), (128, 131095), (157, 106880), (160, 104876), (167, 100480), (314, 53440), (320, 52438), (334, 50240), (628, 26720), (640, 26219), (668, 25120), (785, 21376), (835, 20096), (1256, 13360), (1336, 12560), (1570, 10688), (1670, 10048), (2512, 6680), (2672, 6280), (3140, 5344), (3340, 5024)]