205485660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42281}}^1$

素因数の和:42305

約数の個数: 72

約数和(自身を含む): 646407216

約数和(自身を除く): 440921556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42281, 84562, 126843, 169124, 211405, 253686, 380529, 422810, 507372, 634215, 761058, 845620, 1141587, 1268430, 1522116, 1902645, 2283174, 2536860, 3424761, 3805290, 4566348, 5707935, 6849522, 7610580, 10274283, 11415870, 13699044, 17123805, 20548566, 22831740, 34247610, 41097132, 51371415, 68495220, 102742830, 205485660]

約数ペア:

[(1, 205485660), (2, 102742830), (3, 68495220), (4, 51371415), (5, 41097132), (6, 34247610), (9, 22831740), (10, 20548566), (12, 17123805), (15, 13699044), (18, 11415870), (20, 10274283), (27, 7610580), (30, 6849522), (36, 5707935), (45, 4566348), (54, 3805290), (60, 3424761), (81, 2536860), (90, 2283174), (108, 1902645), (135, 1522116), (162, 1268430), (180, 1141587), (243, 845620), (270, 761058), (324, 634215), (405, 507372), (486, 422810), (540, 380529), (810, 253686), (972, 211405), (1215, 169124), (1620, 126843), (2430, 84562), (4860, 42281)]