1269520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2267}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 3374784

約数和(自身を除く): 2105264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2267, 4534, 9068, 11335, 15869, 18136, 22670, 31738, 36272, 45340, 63476, 79345, 90680, 126952, 158690, 181360, 253904, 317380, 634760, 1269520]

約数ペア:

[(1, 1269520), (2, 634760), (4, 317380), (5, 253904), (7, 181360), (8, 158690), (10, 126952), (14, 90680), (16, 79345), (20, 63476), (28, 45340), (35, 36272), (40, 31738), (56, 22670), (70, 18136), (80, 15869), (112, 11335), (140, 9068), (280, 4534), (560, 2267)]