1561160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 3628800

約数和(自身を除く): 2067640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1259, 2518, 5036, 6295, 10072, 12590, 25180, 39029, 50360, 78058, 156116, 195145, 312232, 390290, 780580, 1561160]

約数ペア:

[(1, 1561160), (2, 780580), (4, 390290), (5, 312232), (8, 195145), (10, 156116), (20, 78058), (31, 50360), (40, 39029), (62, 25180), (124, 12590), (155, 10072), (248, 6295), (310, 5036), (620, 2518), (1240, 1259)]