1557090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 4262400

約数和(自身を除く): 2705310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 79, 90, 135, 146, 158, 219, 237, 270, 365, 395, 438, 474, 657, 711, 730, 790, 1095, 1185, 1314, 1422, 1971, 2133, 2190, 2370, 3285, 3555, 3942, 4266, 5767, 6570, 7110, 9855, 10665, 11534, 17301, 19710, 21330, 28835, 34602, 51903, 57670, 86505, 103806, 155709, 173010, 259515, 311418, 519030, 778545, 1557090]

約数ペア:

[(1, 1557090), (2, 778545), (3, 519030), (5, 311418), (6, 259515), (9, 173010), (10, 155709), (15, 103806), (18, 86505), (27, 57670), (30, 51903), (45, 34602), (54, 28835), (73, 21330), (79, 19710), (90, 17301), (135, 11534), (146, 10665), (158, 9855), (219, 7110), (237, 6570), (270, 5767), (365, 4266), (395, 3942), (438, 3555), (474, 3285), (657, 2370), (711, 2190), (730, 2133), (790, 1971), (1095, 1422), (1185, 1314)]