168863580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21817}}^1$

素因数の和:21875

約数の個数: 72

約数和(自身を含む): 524155632

約数和(自身を除く): 355292052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 21817, 43634, 65451, 87268, 109085, 130902, 196353, 218170, 261804, 327255, 392706, 436340, 654510, 785412, 938131, 981765, 1309020, 1876262, 1963530, 2814393, 3752524, 3927060, 4690655, 5628786, 8443179, 9381310, 11257572, 14071965, 16886358, 18762620, 28143930, 33772716, 42215895, 56287860, 84431790, 168863580]

約数ペア:

[(1, 168863580), (2, 84431790), (3, 56287860), (4, 42215895), (5, 33772716), (6, 28143930), (9, 18762620), (10, 16886358), (12, 14071965), (15, 11257572), (18, 9381310), (20, 8443179), (30, 5628786), (36, 4690655), (43, 3927060), (45, 3752524), (60, 2814393), (86, 1963530), (90, 1876262), (129, 1309020), (172, 981765), (180, 938131), (215, 785412), (258, 654510), (387, 436340), (430, 392706), (516, 327255), (645, 261804), (774, 218170), (860, 196353), (1290, 130902), (1548, 109085), (1935, 87268), (2580, 65451), (3870, 43634), (7740, 21817)]