31278060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15797}}^1$

素因数の和:15823

約数の個数: 72

約数和(自身を含む): 103508496

約数和(自身を除く): 72230436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15797, 31594, 47391, 63188, 78985, 94782, 142173, 157970, 173767, 189564, 236955, 284346, 315940, 347534, 473910, 521301, 568692, 695068, 710865, 868835, 947820, 1042602, 1421730, 1563903, 1737670, 2085204, 2606505, 2843460, 3127806, 3475340, 5213010, 6255612, 7819515, 10426020, 15639030, 31278060]

約数ペア:

[(1, 31278060), (2, 15639030), (3, 10426020), (4, 7819515), (5, 6255612), (6, 5213010), (9, 3475340), (10, 3127806), (11, 2843460), (12, 2606505), (15, 2085204), (18, 1737670), (20, 1563903), (22, 1421730), (30, 1042602), (33, 947820), (36, 868835), (44, 710865), (45, 695068), (55, 568692), (60, 521301), (66, 473910), (90, 347534), (99, 315940), (110, 284346), (132, 236955), (165, 189564), (180, 173767), (198, 157970), (220, 142173), (330, 94782), (396, 78985), (495, 63188), (660, 47391), (990, 31594), (1980, 15797)]