8013780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^2$

素因数の和:437

約数の個数: 54

約数和(自身を含む): 24424218

約数和(自身を除く): 16410438

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 44521, 89042, 133563, 178084, 222605, 267126, 400689, 445210, 534252, 667815, 801378, 890420, 1335630, 1602756, 2003445, 2671260, 4006890, 8013780]

約数ペア:

[(1, 8013780), (2, 4006890), (3, 2671260), (4, 2003445), (5, 1602756), (6, 1335630), (9, 890420), (10, 801378), (12, 667815), (15, 534252), (18, 445210), (20, 400689), (30, 267126), (36, 222605), (45, 178084), (60, 133563), (90, 89042), (180, 44521), (211, 37980), (422, 18990), (633, 12660), (844, 9495), (1055, 7596), (1266, 6330), (1899, 4220), (2110, 3798), (2532, 3165)]