16993920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 55520640

約数和(自身を除く): 38526720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 167, 192, 212, 240, 265, 318, 320, 334, 384, 424, 480, 501, 530, 636, 640, 668, 795, 835, 848, 960, 1002, 1060, 1272, 1336, 1590, 1670, 1696, 1920, 2004, 2120, 2505, 2544, 2672, 3180, 3340, 3392, 4008, 4240, 5010, 5088, 5344, 6360, 6680, 6784, 8016, 8480, 8851, 10020, 10176, 10688, 12720, 13360, 16032, 16960, 17702, 20040, 20352, 21376, 25440, 26553, 26720, 32064, 33920, 35404, 40080, 44255, 50880, 53106, 53440, 64128, 70808, 80160, 88510, 101760, 106212, 106880, 132765, 141616, 160320, 177020, 212424, 265530, 283232, 320640, 354040, 424848, 531060, 566464, 708080, 849696, 1062120, 1132928, 1416160, 1699392, 2124240, 2832320, 3398784, 4248480, 5664640, 8496960, 16993920]

約数ペア:

[(1, 16993920), (2, 8496960), (3, 5664640), (4, 4248480), (5, 3398784), (6, 2832320), (8, 2124240), (10, 1699392), (12, 1416160), (15, 1132928), (16, 1062120), (20, 849696), (24, 708080), (30, 566464), (32, 531060), (40, 424848), (48, 354040), (53, 320640), (60, 283232), (64, 265530), (80, 212424), (96, 177020), (106, 160320), (120, 141616), (128, 132765), (159, 106880), (160, 106212), (167, 101760), (192, 88510), (212, 80160), (240, 70808), (265, 64128), (318, 53440), (320, 53106), (334, 50880), (384, 44255), (424, 40080), (480, 35404), (501, 33920), (530, 32064), (636, 26720), (640, 26553), (668, 25440), (795, 21376), (835, 20352), (848, 20040), (960, 17702), (1002, 16960), (1060, 16032), (1272, 13360), (1336, 12720), (1590, 10688), (1670, 10176), (1696, 10020), (1920, 8851), (2004, 8480), (2120, 8016), (2505, 6784), (2544, 6680), (2672, 6360), (3180, 5344), (3340, 5088), (3392, 5010), (4008, 4240)]