181277320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2389}}^1$

素因数の和:2678

約数の個数: 64

約数和(自身を含む): 468057600

約数和(自身を除く): 286780280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2168, 2389, 2710, 3794, 4778, 5420, 7588, 9485, 9556, 10840, 11945, 15176, 16723, 18970, 19112, 23890, 33446, 37940, 47780, 66892, 75880, 83615, 95560, 133784, 167230, 334460, 647419, 668920, 1294838, 2589676, 3237095, 4531933, 5179352, 6474190, 9063866, 12948380, 18127732, 22659665, 25896760, 36255464, 45319330, 90638660, 181277320]

約数ペア:

[(1, 181277320), (2, 90638660), (4, 45319330), (5, 36255464), (7, 25896760), (8, 22659665), (10, 18127732), (14, 12948380), (20, 9063866), (28, 6474190), (35, 5179352), (40, 4531933), (56, 3237095), (70, 2589676), (140, 1294838), (271, 668920), (280, 647419), (542, 334460), (1084, 167230), (1355, 133784), (1897, 95560), (2168, 83615), (2389, 75880), (2710, 66892), (3794, 47780), (4778, 37940), (5420, 33446), (7588, 23890), (9485, 19112), (9556, 18970), (10840, 16723), (11945, 15176)]