208080090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{256889}}^1$

素因数の和:256908

約数の個数: 40

約数和(自身を含む): 559506420

約数和(自身を除く): 351426330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 256889, 513778, 770667, 1284445, 1541334, 2312001, 2568890, 3853335, 4624002, 6936003, 7706670, 11560005, 13872006, 20808009, 23120010, 34680015, 41616018, 69360030, 104040045, 208080090]

約数ペア:

[(1, 208080090), (2, 104040045), (3, 69360030), (5, 41616018), (6, 34680015), (9, 23120010), (10, 20808009), (15, 13872006), (18, 11560005), (27, 7706670), (30, 6936003), (45, 4624002), (54, 3853335), (81, 2568890), (90, 2312001), (135, 1541334), (162, 1284445), (270, 770667), (405, 513778), (810, 256889)]