71355420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1123}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 217251216

約数和(自身を除く): 145895796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1123, 1412, 1765, 2118, 2246, 3177, 3369, 3530, 4236, 4492, 5295, 5615, 6354, 6738, 7060, 10107, 10590, 11230, 12708, 13476, 15885, 16845, 20214, 21180, 22460, 31770, 33690, 40428, 50535, 63540, 67380, 101070, 202140, 396419, 792838, 1189257, 1585676, 1982095, 2378514, 3567771, 3964190, 4757028, 5946285, 7135542, 7928380, 11892570, 14271084, 17838855, 23785140, 35677710, 71355420]

約数ペア:

[(1, 71355420), (2, 35677710), (3, 23785140), (4, 17838855), (5, 14271084), (6, 11892570), (9, 7928380), (10, 7135542), (12, 5946285), (15, 4757028), (18, 3964190), (20, 3567771), (30, 2378514), (36, 1982095), (45, 1585676), (60, 1189257), (90, 792838), (180, 396419), (353, 202140), (706, 101070), (1059, 67380), (1123, 63540), (1412, 50535), (1765, 40428), (2118, 33690), (2246, 31770), (3177, 22460), (3369, 21180), (3530, 20214), (4236, 16845), (4492, 15885), (5295, 13476), (5615, 12708), (6354, 11230), (6738, 10590), (7060, 10107)]