80278020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{148663}}^1$

素因数の和:148681

約数の個数: 48

約数和(自身を含む): 249755520

約数和(自身を除く): 169477500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 148663, 297326, 445989, 594652, 743315, 891978, 1337967, 1486630, 1783956, 2229945, 2675934, 2973260, 4013901, 4459890, 5351868, 6689835, 8027802, 8919780, 13379670, 16055604, 20069505, 26759340, 40139010, 80278020]

約数ペア:

[(1, 80278020), (2, 40139010), (3, 26759340), (4, 20069505), (5, 16055604), (6, 13379670), (9, 8919780), (10, 8027802), (12, 6689835), (15, 5351868), (18, 4459890), (20, 4013901), (27, 2973260), (30, 2675934), (36, 2229945), (45, 1783956), (54, 1486630), (60, 1337967), (90, 891978), (108, 743315), (135, 594652), (180, 445989), (270, 297326), (540, 148663)]