163420520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9349}}^1$

素因数の和:9402

約数の個数: 64

約数和(自身を含む): 403920000

約数和(自身を除く): 240499480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 9349, 17480, 18698, 37396, 46745, 74792, 93490, 177631, 186980, 215027, 355262, 373960, 430054, 710524, 860108, 888155, 1075135, 1421048, 1720216, 1776310, 2150270, 3552620, 4085513, 4300540, 7105240, 8171026, 8601080, 16342052, 20427565, 32684104, 40855130, 81710260, 163420520]

約数ペア:

[(1, 163420520), (2, 81710260), (4, 40855130), (5, 32684104), (8, 20427565), (10, 16342052), (19, 8601080), (20, 8171026), (23, 7105240), (38, 4300540), (40, 4085513), (46, 3552620), (76, 2150270), (92, 1776310), (95, 1720216), (115, 1421048), (152, 1075135), (184, 888155), (190, 860108), (230, 710524), (380, 430054), (437, 373960), (460, 355262), (760, 215027), (874, 186980), (920, 177631), (1748, 93490), (2185, 74792), (3496, 46745), (4370, 37396), (8740, 18698), (9349, 17480)]