67418840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 163468800

約数和(自身を除く): 96049960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2063, 3268, 4085, 4126, 6536, 8170, 8252, 10315, 16340, 16504, 20630, 32680, 39197, 41260, 78394, 82520, 88709, 156788, 177418, 195985, 313576, 354836, 391970, 443545, 709672, 783940, 887090, 1567880, 1685471, 1774180, 3370942, 3548360, 6741884, 8427355, 13483768, 16854710, 33709420, 67418840]

約数ペア:

[(1, 67418840), (2, 33709420), (4, 16854710), (5, 13483768), (8, 8427355), (10, 6741884), (19, 3548360), (20, 3370942), (38, 1774180), (40, 1685471), (43, 1567880), (76, 887090), (86, 783940), (95, 709672), (152, 443545), (172, 391970), (190, 354836), (215, 313576), (344, 195985), (380, 177418), (430, 156788), (760, 88709), (817, 82520), (860, 78394), (1634, 41260), (1720, 39197), (2063, 32680), (3268, 20630), (4085, 16504), (4126, 16340), (6536, 10315), (8170, 8252)]