171907980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2975

約数の個数: 96

約数和(自身を含む): 514128384

約数和(自身を除く): 342220404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1380, 1978, 2580, 2897, 2967, 3956, 4945, 5794, 5934, 8691, 9890, 11588, 11868, 14485, 14835, 17382, 19780, 28970, 29670, 34764, 43455, 57940, 59340, 66631, 86910, 124571, 133262, 173820, 199893, 249142, 266524, 333155, 373713, 399786, 498284, 622855, 666310, 747426, 799572, 999465, 1245710, 1332620, 1494852, 1868565, 1998930, 2491420, 2865133, 3737130, 3997860, 5730266, 7474260, 8595399, 11460532, 14325665, 17190798, 28651330, 34381596, 42976995, 57302660, 85953990, 171907980]

約数ペア:

[(1, 171907980), (2, 85953990), (3, 57302660), (4, 42976995), (5, 34381596), (6, 28651330), (10, 17190798), (12, 14325665), (15, 11460532), (20, 8595399), (23, 7474260), (30, 5730266), (43, 3997860), (46, 3737130), (60, 2865133), (69, 2491420), (86, 1998930), (92, 1868565), (115, 1494852), (129, 1332620), (138, 1245710), (172, 999465), (215, 799572), (230, 747426), (258, 666310), (276, 622855), (345, 498284), (430, 399786), (460, 373713), (516, 333155), (645, 266524), (690, 249142), (860, 199893), (989, 173820), (1290, 133262), (1380, 124571), (1978, 86910), (2580, 66631), (2897, 59340), (2967, 57940), (3956, 43455), (4945, 34764), (5794, 29670), (5934, 28970), (8691, 19780), (9890, 17382), (11588, 14835), (11868, 14485)]