12778020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23663}}^1$

素因数の和:23681

約数の個数: 48

約数和(自身を含む): 39755520

約数和(自身を除く): 26977500

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, 23663, 47326, 70989, 94652, 118315, 141978, 212967, 236630, 283956, 354945, 425934, 473260, 638901, 709890, 851868, 1064835, 1277802, 1419780, 2129670, 2555604, 3194505, 4259340, 6389010, 12778020]

約数ペア:

[(1, 12778020), (2, 6389010), (3, 4259340), (4, 3194505), (5, 2555604), (6, 2129670), (9, 1419780), (10, 1277802), (12, 1064835), (15, 851868), (18, 709890), (20, 638901), (27, 473260), (30, 425934), (36, 354945), (45, 283956), (54, 236630), (60, 212967), (90, 141978), (108, 118315), (135, 94652), (180, 70989), (270, 47326), (540, 23663)]