1216520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 2899800

約数和(自身を除く): 1683280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1789, 3578, 7156, 8945, 14312, 17890, 30413, 35780, 60826, 71560, 121652, 152065, 243304, 304130, 608260, 1216520]

約数ペア:

[(1, 1216520), (2, 608260), (4, 304130), (5, 243304), (8, 152065), (10, 121652), (17, 71560), (20, 60826), (34, 35780), (40, 30413), (68, 17890), (85, 14312), (136, 8945), (170, 7156), (340, 3578), (680, 1789)]