87555420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25601}}^1$

素因数の和:25635

約数の個数: 72

約数和(自身を含む): 279573840

約数和(自身を除く): 192018420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 25601, 51202, 76803, 102404, 128005, 153606, 230409, 256010, 307212, 384015, 460818, 486419, 512020, 768030, 921636, 972838, 1152045, 1459257, 1536060, 1945676, 2304090, 2432095, 2918514, 4377771, 4608180, 4864190, 5837028, 7296285, 8755542, 9728380, 14592570, 17511084, 21888855, 29185140, 43777710, 87555420]

約数ペア:

[(1, 87555420), (2, 43777710), (3, 29185140), (4, 21888855), (5, 17511084), (6, 14592570), (9, 9728380), (10, 8755542), (12, 7296285), (15, 5837028), (18, 4864190), (19, 4608180), (20, 4377771), (30, 2918514), (36, 2432095), (38, 2304090), (45, 1945676), (57, 1536060), (60, 1459257), (76, 1152045), (90, 972838), (95, 921636), (114, 768030), (171, 512020), (180, 486419), (190, 460818), (228, 384015), (285, 307212), (342, 256010), (380, 230409), (570, 153606), (684, 128005), (855, 102404), (1140, 76803), (1710, 51202), (3420, 25601)]