128358810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{475403}}^1$

素因数の和:475419

約数の個数: 32

約数和(自身を含む): 342290880

約数和(自身を除く): 213932070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 475403, 950806, 1426209, 2377015, 2852418, 4278627, 4754030, 7131045, 8557254, 12835881, 14262090, 21393135, 25671762, 42786270, 64179405, 128358810]

約数ペア:

[(1, 128358810), (2, 64179405), (3, 42786270), (5, 25671762), (6, 21393135), (9, 14262090), (10, 12835881), (15, 8557254), (18, 7131045), (27, 4754030), (30, 4278627), (45, 2852418), (54, 2377015), (90, 1426209), (135, 950806), (270, 475403)]