15278060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 37289280

約数和(自身を除く): 22011220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1789, 2135, 3578, 4270, 7156, 8540, 8945, 12523, 17890, 25046, 35780, 50092, 62615, 109129, 125230, 218258, 250460, 436516, 545645, 763903, 1091290, 1527806, 2182580, 3055612, 3819515, 7639030, 15278060]

約数ペア:

[(1, 15278060), (2, 7639030), (4, 3819515), (5, 3055612), (7, 2182580), (10, 1527806), (14, 1091290), (20, 763903), (28, 545645), (35, 436516), (61, 250460), (70, 218258), (122, 125230), (140, 109129), (244, 62615), (305, 50092), (427, 35780), (610, 25046), (854, 17890), (1220, 12523), (1708, 8945), (1789, 8540), (2135, 7156), (3578, 4270)]