68732720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 184154880

約数和(自身を除く): 115422160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 883, 973, 1112, 1390, 1766, 1946, 2224, 2780, 3532, 3892, 4415, 4865, 5560, 6181, 7064, 7784, 8830, 9730, 11120, 12362, 14128, 15568, 17660, 19460, 24724, 30905, 35320, 38920, 49448, 61810, 70640, 77840, 98896, 122737, 123620, 245474, 247240, 490948, 494480, 613685, 859159, 981896, 1227370, 1718318, 1963792, 2454740, 3436636, 4295795, 4909480, 6873272, 8591590, 9818960, 13746544, 17183180, 34366360, 68732720]

約数ペア:

[(1, 68732720), (2, 34366360), (4, 17183180), (5, 13746544), (7, 9818960), (8, 8591590), (10, 6873272), (14, 4909480), (16, 4295795), (20, 3436636), (28, 2454740), (35, 1963792), (40, 1718318), (56, 1227370), (70, 981896), (80, 859159), (112, 613685), (139, 494480), (140, 490948), (278, 247240), (280, 245474), (556, 123620), (560, 122737), (695, 98896), (883, 77840), (973, 70640), (1112, 61810), (1390, 49448), (1766, 38920), (1946, 35320), (2224, 30905), (2780, 24724), (3532, 19460), (3892, 17660), (4415, 15568), (4865, 14128), (5560, 12362), (6181, 11120), (7064, 9730), (7784, 8830)]