66018760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 153679680

約数和(自身を除く): 87660920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 293, 344, 430, 524, 586, 655, 860, 1048, 1172, 1310, 1465, 1720, 2344, 2620, 2930, 5240, 5633, 5860, 11266, 11720, 12599, 22532, 25198, 28165, 38383, 45064, 50396, 56330, 62995, 76766, 100792, 112660, 125990, 153532, 191915, 225320, 251980, 307064, 383830, 503960, 767660, 1535320, 1650469, 3300938, 6601876, 8252345, 13203752, 16504690, 33009380, 66018760]

約数ペア:

[(1, 66018760), (2, 33009380), (4, 16504690), (5, 13203752), (8, 8252345), (10, 6601876), (20, 3300938), (40, 1650469), (43, 1535320), (86, 767660), (131, 503960), (172, 383830), (215, 307064), (262, 251980), (293, 225320), (344, 191915), (430, 153532), (524, 125990), (586, 112660), (655, 100792), (860, 76766), (1048, 62995), (1172, 56330), (1310, 50396), (1465, 45064), (1720, 38383), (2344, 28165), (2620, 25198), (2930, 22532), (5240, 12599), (5633, 11720), (5860, 11266)]