131580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 432432

約数和(自身を除く): 300852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1530, 1548, 1935, 2193, 2580, 2924, 3060, 3655, 3870, 4386, 6579, 7310, 7740, 8772, 10965, 13158, 14620, 21930, 26316, 32895, 43860, 65790, 131580]

約数ペア:

[(1, 131580), (2, 65790), (3, 43860), (4, 32895), (5, 26316), (6, 21930), (9, 14620), (10, 13158), (12, 10965), (15, 8772), (17, 7740), (18, 7310), (20, 6579), (30, 4386), (34, 3870), (36, 3655), (43, 3060), (45, 2924), (51, 2580), (60, 2193), (68, 1935), (85, 1548), (86, 1530), (90, 1462), (102, 1290), (129, 1020), (153, 860), (170, 774), (172, 765), (180, 731), (204, 645), (215, 612), (255, 516), (258, 510), (306, 430), (340, 387)]