11979090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 80

約数和(自身を含む): 33663168

約数和(自身を除く): 21684078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 643, 690, 810, 1035, 1242, 1286, 1863, 1929, 2070, 3105, 3215, 3726, 3858, 5787, 6210, 6430, 9315, 9645, 11574, 14789, 17361, 18630, 19290, 28935, 29578, 34722, 44367, 52083, 57870, 73945, 86805, 88734, 104166, 133101, 147890, 173610, 221835, 260415, 266202, 399303, 443670, 520830, 665505, 798606, 1197909, 1331010, 1996515, 2395818, 3993030, 5989545, 11979090]

約数ペア:

[(1, 11979090), (2, 5989545), (3, 3993030), (5, 2395818), (6, 1996515), (9, 1331010), (10, 1197909), (15, 798606), (18, 665505), (23, 520830), (27, 443670), (30, 399303), (45, 266202), (46, 260415), (54, 221835), (69, 173610), (81, 147890), (90, 133101), (115, 104166), (135, 88734), (138, 86805), (162, 73945), (207, 57870), (230, 52083), (270, 44367), (345, 34722), (405, 29578), (414, 28935), (621, 19290), (643, 18630), (690, 17361), (810, 14789), (1035, 11574), (1242, 9645), (1286, 9315), (1863, 6430), (1929, 6210), (2070, 5787), (3105, 3858), (3215, 3726)]