86768920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 137179880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 719, 862, 1438, 1724, 2155, 2876, 3017, 3448, 3595, 4310, 5033, 5752, 6034, 7190, 8620, 10066, 12068, 14380, 15085, 17240, 20132, 24136, 25165, 28760, 30170, 40264, 50330, 60340, 100660, 120680, 201320, 309889, 619778, 1239556, 1549445, 2169223, 2479112, 3098890, 4338446, 6197780, 8676892, 10846115, 12395560, 17353784, 21692230, 43384460, 86768920]

約数ペア:

[(1, 86768920), (2, 43384460), (4, 21692230), (5, 17353784), (7, 12395560), (8, 10846115), (10, 8676892), (14, 6197780), (20, 4338446), (28, 3098890), (35, 2479112), (40, 2169223), (56, 1549445), (70, 1239556), (140, 619778), (280, 309889), (431, 201320), (719, 120680), (862, 100660), (1438, 60340), (1724, 50330), (2155, 40264), (2876, 30170), (3017, 28760), (3448, 25165), (3595, 24136), (4310, 20132), (5033, 17240), (5752, 15085), (6034, 14380), (7190, 12068), (8620, 10066)]