178020972

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 467026560

約数和(自身を除く): 289005588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 269, 279, 372, 538, 558, 593, 807, 1076, 1116, 1186, 1614, 1779, 2372, 2421, 3228, 3558, 4842, 5337, 7116, 8339, 9684, 10674, 16678, 18383, 21348, 25017, 33356, 36766, 50034, 55149, 73532, 75051, 100068, 110298, 150102, 159517, 165447, 220596, 300204, 319034, 330894, 478551, 638068, 661788, 957102, 1435653, 1914204, 2871306, 4945027, 5742612, 9890054, 14835081, 19780108, 29670162, 44505243, 59340324, 89010486, 178020972]

約数ペア:

[(1, 178020972), (2, 89010486), (3, 59340324), (4, 44505243), (6, 29670162), (9, 19780108), (12, 14835081), (18, 9890054), (31, 5742612), (36, 4945027), (62, 2871306), (93, 1914204), (124, 1435653), (186, 957102), (269, 661788), (279, 638068), (372, 478551), (538, 330894), (558, 319034), (593, 300204), (807, 220596), (1076, 165447), (1116, 159517), (1186, 150102), (1614, 110298), (1779, 100068), (2372, 75051), (2421, 73532), (3228, 55149), (3558, 50034), (4842, 36766), (5337, 33356), (7116, 25017), (8339, 21348), (9684, 18383), (10674, 16678)]