1270792330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 2491492608

約数和(自身を除く): 1220700278

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 263, 430, 526, 661, 731, 1315, 1322, 1462, 2630, 3305, 3655, 4471, 6610, 7310, 8942, 11237, 11309, 22355, 22474, 22618, 28423, 44710, 56185, 56545, 56846, 112370, 113090, 142115, 173843, 192253, 284230, 347686, 384506, 483191, 869215, 961265, 966382, 1738430, 1922530, 2415955, 2955331, 4831910, 5910662, 7475249, 14776655, 14950498, 29553310, 37376245, 74752490, 127079233, 254158466, 635396165, 1270792330]

約数ペア:

[(1, 1270792330), (2, 635396165), (5, 254158466), (10, 127079233), (17, 74752490), (34, 37376245), (43, 29553310), (85, 14950498), (86, 14776655), (170, 7475249), (215, 5910662), (263, 4831910), (430, 2955331), (526, 2415955), (661, 1922530), (731, 1738430), (1315, 966382), (1322, 961265), (1462, 869215), (2630, 483191), (3305, 384506), (3655, 347686), (4471, 284230), (6610, 192253), (7310, 173843), (8942, 142115), (11237, 113090), (11309, 112370), (22355, 56846), (22474, 56545), (22618, 56185), (28423, 44710)]