1811480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 4665600

約数和(自身を除く): 2854120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 179, 184, 220, 230, 253, 358, 440, 460, 506, 716, 895, 920, 1012, 1265, 1432, 1790, 1969, 2024, 2530, 3580, 3938, 4117, 5060, 7160, 7876, 8234, 9845, 10120, 15752, 16468, 19690, 20585, 32936, 39380, 41170, 45287, 78760, 82340, 90574, 164680, 181148, 226435, 362296, 452870, 905740, 1811480]

約数ペア:

[(1, 1811480), (2, 905740), (4, 452870), (5, 362296), (8, 226435), (10, 181148), (11, 164680), (20, 90574), (22, 82340), (23, 78760), (40, 45287), (44, 41170), (46, 39380), (55, 32936), (88, 20585), (92, 19690), (110, 16468), (115, 15752), (179, 10120), (184, 9845), (220, 8234), (230, 7876), (253, 7160), (358, 5060), (440, 4117), (460, 3938), (506, 3580), (716, 2530), (895, 2024), (920, 1969), (1012, 1790), (1265, 1432)]