991530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 2695680

約数和(自身を除く): 1704150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 479, 690, 958, 1035, 1437, 2070, 2395, 2874, 4311, 4790, 7185, 8622, 11017, 14370, 21555, 22034, 33051, 43110, 55085, 66102, 99153, 110170, 165255, 198306, 330510, 495765, 991530]

約数ペア:

[(1, 991530), (2, 495765), (3, 330510), (5, 198306), (6, 165255), (9, 110170), (10, 99153), (15, 66102), (18, 55085), (23, 43110), (30, 33051), (45, 22034), (46, 21555), (69, 14370), (90, 11017), (115, 8622), (138, 7185), (207, 4790), (230, 4311), (345, 2874), (414, 2395), (479, 2070), (690, 1437), (958, 1035)]