1820560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3251}}^1$

素因数の和:3271

約数の個数: 40

約数和(自身を含む): 4838976

約数和(自身を除く): 3018416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3251, 6502, 13004, 16255, 22757, 26008, 32510, 45514, 52016, 65020, 91028, 113785, 130040, 182056, 227570, 260080, 364112, 455140, 910280, 1820560]

約数ペア:

[(1, 1820560), (2, 910280), (4, 455140), (5, 364112), (7, 260080), (8, 227570), (10, 182056), (14, 130040), (16, 113785), (20, 91028), (28, 65020), (35, 52016), (40, 45514), (56, 32510), (70, 26008), (80, 22757), (112, 16255), (140, 13004), (280, 6502), (560, 3251)]