880020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4889}}^1$

素因数の和:4904

約数の個数: 36

約数和(自身を含む): 2669940

約数和(自身を除く): 1789920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4889, 9778, 14667, 19556, 24445, 29334, 44001, 48890, 58668, 73335, 88002, 97780, 146670, 176004, 220005, 293340, 440010, 880020]

約数ペア:

[(1, 880020), (2, 440010), (3, 293340), (4, 220005), (5, 176004), (6, 146670), (9, 97780), (10, 88002), (12, 73335), (15, 58668), (18, 48890), (20, 44001), (30, 29334), (36, 24445), (45, 19556), (60, 14667), (90, 9778), (180, 4889)]