68503140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 208510848

約数和(自身を除く): 140007708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 883, 1293, 1724, 1766, 2155, 2586, 2649, 3532, 3879, 4310, 4415, 5172, 5298, 6465, 7758, 7947, 8620, 8830, 10596, 12930, 13245, 15516, 15894, 17660, 19395, 25860, 26490, 31788, 38790, 39735, 52980, 77580, 79470, 158940, 380573, 761146, 1141719, 1522292, 1902865, 2283438, 3425157, 3805730, 4566876, 5708595, 6850314, 7611460, 11417190, 13700628, 17125785, 22834380, 34251570, 68503140]

約数ペア:

[(1, 68503140), (2, 34251570), (3, 22834380), (4, 17125785), (5, 13700628), (6, 11417190), (9, 7611460), (10, 6850314), (12, 5708595), (15, 4566876), (18, 3805730), (20, 3425157), (30, 2283438), (36, 1902865), (45, 1522292), (60, 1141719), (90, 761146), (180, 380573), (431, 158940), (862, 79470), (883, 77580), (1293, 52980), (1724, 39735), (1766, 38790), (2155, 31788), (2586, 26490), (2649, 25860), (3532, 19395), (3879, 17660), (4310, 15894), (4415, 15516), (5172, 13245), (5298, 12930), (6465, 10596), (7758, 8830), (7947, 8620)]