80836020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26417}}^1$

素因数の和:26449

約数の個数: 72

約数和(自身を含む): 259636104

約数和(自身を除く): 178800084

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, 26417, 52834, 79251, 105668, 132085, 158502, 237753, 264170, 317004, 396255, 449089, 475506, 528340, 792510, 898178, 951012, 1188765, 1347267, 1585020, 1796356, 2245445, 2377530, 2694534, 4041801, 4490890, 4755060, 5389068, 6736335, 8083602, 8981780, 13472670, 16167204, 20209005, 26945340, 40418010, 80836020]

約数ペア:

[(1, 80836020), (2, 40418010), (3, 26945340), (4, 20209005), (5, 16167204), (6, 13472670), (9, 8981780), (10, 8083602), (12, 6736335), (15, 5389068), (17, 4755060), (18, 4490890), (20, 4041801), (30, 2694534), (34, 2377530), (36, 2245445), (45, 1796356), (51, 1585020), (60, 1347267), (68, 1188765), (85, 951012), (90, 898178), (102, 792510), (153, 528340), (170, 475506), (180, 449089), (204, 396255), (255, 317004), (306, 264170), (340, 237753), (510, 158502), (612, 132085), (765, 105668), (1020, 79251), (1530, 52834), (3060, 26417)]