327388240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5009}}^1$

素因数の和:5084

約数の個数: 80

約数和(自身を含む): 820036800

約数和(自身を除く): 492648560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 5009, 6536, 8170, 10018, 13072, 16340, 20036, 25045, 32680, 40072, 50090, 65360, 80144, 95171, 100180, 190342, 200360, 215387, 380684, 400720, 430774, 475855, 761368, 861548, 951710, 1076935, 1522736, 1723096, 1903420, 2153870, 3446192, 3806840, 4092353, 4307740, 7613680, 8184706, 8615480, 16369412, 17230960, 20461765, 32738824, 40923530, 65477648, 81847060, 163694120, 327388240]

約数ペア:

[(1, 327388240), (2, 163694120), (4, 81847060), (5, 65477648), (8, 40923530), (10, 32738824), (16, 20461765), (19, 17230960), (20, 16369412), (38, 8615480), (40, 8184706), (43, 7613680), (76, 4307740), (80, 4092353), (86, 3806840), (95, 3446192), (152, 2153870), (172, 1903420), (190, 1723096), (215, 1522736), (304, 1076935), (344, 951710), (380, 861548), (430, 761368), (688, 475855), (760, 430774), (817, 400720), (860, 380684), (1520, 215387), (1634, 200360), (1720, 190342), (3268, 100180), (3440, 95171), (4085, 80144), (5009, 65360), (6536, 50090), (8170, 40072), (10018, 32680), (13072, 25045), (16340, 20036)]