63889740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20879}}^1$

素因数の和:20911

約数の個数: 72

約数和(自身を含む): 205208640

約数和(自身を除く): 141318900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 20879, 41758, 62637, 83516, 104395, 125274, 187911, 208790, 250548, 313185, 354943, 375822, 417580, 626370, 709886, 751644, 939555, 1064829, 1252740, 1419772, 1774715, 1879110, 2129658, 3194487, 3549430, 3758220, 4259316, 5324145, 6388974, 7098860, 10648290, 12777948, 15972435, 21296580, 31944870, 63889740]

約数ペア:

[(1, 63889740), (2, 31944870), (3, 21296580), (4, 15972435), (5, 12777948), (6, 10648290), (9, 7098860), (10, 6388974), (12, 5324145), (15, 4259316), (17, 3758220), (18, 3549430), (20, 3194487), (30, 2129658), (34, 1879110), (36, 1774715), (45, 1419772), (51, 1252740), (60, 1064829), (68, 939555), (85, 751644), (90, 709886), (102, 626370), (153, 417580), (170, 375822), (180, 354943), (204, 313185), (255, 250548), (306, 208790), (340, 187911), (510, 125274), (612, 104395), (765, 83516), (1020, 62637), (1530, 41758), (3060, 20879)]