12172590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 31848336

約数和(自身を除く): 19675746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 641, 1055, 1266, 1282, 1899, 1923, 2110, 3165, 3205, 3798, 3846, 5769, 6330, 6410, 9495, 9615, 11538, 18990, 19230, 28845, 57690, 135251, 270502, 405753, 676255, 811506, 1217259, 1352510, 2028765, 2434518, 4057530, 6086295, 12172590]

約数ペア:

[(1, 12172590), (2, 6086295), (3, 4057530), (5, 2434518), (6, 2028765), (9, 1352510), (10, 1217259), (15, 811506), (18, 676255), (30, 405753), (45, 270502), (90, 135251), (211, 57690), (422, 28845), (633, 19230), (641, 18990), (1055, 11538), (1266, 9615), (1282, 9495), (1899, 6410), (1923, 6330), (2110, 5769), (3165, 3846), (3205, 3798)]