137458960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 337835520

約数和(自身を除く): 200376560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1289, 1333, 1720, 2480, 2578, 2666, 3440, 5156, 5332, 6445, 6665, 10312, 10664, 12890, 13330, 20624, 21328, 25780, 26660, 39959, 51560, 53320, 55427, 79918, 103120, 106640, 110854, 159836, 199795, 221708, 277135, 319672, 399590, 443416, 554270, 639344, 799180, 886832, 1108540, 1598360, 1718237, 2217080, 3196720, 3436474, 4434160, 6872948, 8591185, 13745896, 17182370, 27491792, 34364740, 68729480, 137458960]

約数ペア:

[(1, 137458960), (2, 68729480), (4, 34364740), (5, 27491792), (8, 17182370), (10, 13745896), (16, 8591185), (20, 6872948), (31, 4434160), (40, 3436474), (43, 3196720), (62, 2217080), (80, 1718237), (86, 1598360), (124, 1108540), (155, 886832), (172, 799180), (215, 639344), (248, 554270), (310, 443416), (344, 399590), (430, 319672), (496, 277135), (620, 221708), (688, 199795), (860, 159836), (1240, 110854), (1289, 106640), (1333, 103120), (1720, 79918), (2480, 55427), (2578, 53320), (2666, 51560), (3440, 39959), (5156, 26660), (5332, 25780), (6445, 21328), (6665, 20624), (10312, 13330), (10664, 12890)]