640793784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{1913}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 1699172640

約数和(自身を除く): 1058378856

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 821, 1642, 1913, 2463, 3284, 3826, 4926, 5739, 6568, 7652, 9852, 11478, 13957, 15304, 19704, 22956, 27914, 32521, 41871, 45912, 55828, 65042, 83742, 97563, 111656, 130084, 167484, 195126, 260168, 334968, 390252, 780504, 1570573, 3141146, 4711719, 6282292, 9423438, 12564584, 18846876, 26699741, 37693752, 53399482, 80099223, 106798964, 160198446, 213597928, 320396892, 640793784]

約数ペア:

[(1, 640793784), (2, 320396892), (3, 213597928), (4, 160198446), (6, 106798964), (8, 80099223), (12, 53399482), (17, 37693752), (24, 26699741), (34, 18846876), (51, 12564584), (68, 9423438), (102, 6282292), (136, 4711719), (204, 3141146), (408, 1570573), (821, 780504), (1642, 390252), (1913, 334968), (2463, 260168), (3284, 195126), (3826, 167484), (4926, 130084), (5739, 111656), (6568, 97563), (7652, 83742), (9852, 65042), (11478, 55828), (13957, 45912), (15304, 41871), (19704, 32521), (22956, 27914)]