1280491686

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{2069}}^1$

素因数の和:2310

約数の個数: 64

約数和(自身を含む): 2904292800

約数和(自身を除く): 1623801114

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 157, 219, 314, 438, 471, 657, 942, 1314, 1413, 1971, 2069, 2826, 3942, 4138, 4239, 6207, 8478, 11461, 12414, 18621, 22922, 34383, 37242, 55863, 68766, 103149, 111726, 151037, 206298, 302074, 309447, 324833, 453111, 618894, 649666, 906222, 974499, 1359333, 1948998, 2718666, 2923497, 4077999, 5846994, 8155998, 8770491, 17540982, 23712809, 47425618, 71138427, 142276854, 213415281, 426830562, 640245843, 1280491686]

約数ペア:

[(1, 1280491686), (2, 640245843), (3, 426830562), (6, 213415281), (9, 142276854), (18, 71138427), (27, 47425618), (54, 23712809), (73, 17540982), (146, 8770491), (157, 8155998), (219, 5846994), (314, 4077999), (438, 2923497), (471, 2718666), (657, 1948998), (942, 1359333), (1314, 974499), (1413, 906222), (1971, 649666), (2069, 618894), (2826, 453111), (3942, 324833), (4138, 309447), (4239, 302074), (6207, 206298), (8478, 151037), (11461, 111726), (12414, 103149), (18621, 68766), (22922, 55863), (34383, 37242)]