68729480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 163468800

約数和(自身を除く): 94739320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1289, 1333, 1720, 2578, 2666, 5156, 5332, 6445, 6665, 10312, 10664, 12890, 13330, 25780, 26660, 39959, 51560, 53320, 55427, 79918, 110854, 159836, 199795, 221708, 277135, 319672, 399590, 443416, 554270, 799180, 1108540, 1598360, 1718237, 2217080, 3436474, 6872948, 8591185, 13745896, 17182370, 34364740, 68729480]

約数ペア:

[(1, 68729480), (2, 34364740), (4, 17182370), (5, 13745896), (8, 8591185), (10, 6872948), (20, 3436474), (31, 2217080), (40, 1718237), (43, 1598360), (62, 1108540), (86, 799180), (124, 554270), (155, 443416), (172, 399590), (215, 319672), (248, 277135), (310, 221708), (344, 199795), (430, 159836), (620, 110854), (860, 79918), (1240, 55427), (1289, 53320), (1333, 51560), (1720, 39959), (2578, 26660), (2666, 25780), (5156, 13330), (5332, 12890), (6445, 10664), (6665, 10312)]