68689120

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1297}}^1$

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 162893808

約数和(自身を除く): 94204688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1297, 1324, 1655, 2594, 2648, 3310, 5188, 5296, 6485, 6620, 10376, 10592, 12970, 13240, 20752, 25940, 26480, 41504, 51880, 52960, 103760, 207520, 429307, 858614, 1717228, 2146535, 3434456, 4293070, 6868912, 8586140, 13737824, 17172280, 34344560, 68689120]

約数ペア:

[(1, 68689120), (2, 34344560), (4, 17172280), (5, 13737824), (8, 8586140), (10, 6868912), (16, 4293070), (20, 3434456), (32, 2146535), (40, 1717228), (80, 858614), (160, 429307), (331, 207520), (662, 103760), (1297, 52960), (1324, 51880), (1655, 41504), (2594, 26480), (2648, 25940), (3310, 20752), (5188, 13240), (5296, 12970), (6485, 10592), (6620, 10376)]