12220705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 19906560

約数和(自身を除く): 7685855

約数列:

[1, 5, 7, 17, 19, 23, 35, 47, 85, 95, 115, 119, 133, 161, 235, 323, 329, 391, 437, 595, 665, 799, 805, 893, 1081, 1615, 1645, 1955, 2185, 2261, 2737, 3059, 3995, 4465, 5405, 5593, 6251, 7429, 7567, 11305, 13685, 15181, 15295, 18377, 20539, 27965, 31255, 37145, 37835, 52003, 75905, 91885, 102695, 106267, 128639, 143773, 260015, 349163, 531335, 643195, 718865, 1745815, 2444141, 12220705]

約数ペア:

[(1, 12220705), (5, 2444141), (7, 1745815), (17, 718865), (19, 643195), (23, 531335), (35, 349163), (47, 260015), (85, 143773), (95, 128639), (115, 106267), (119, 102695), (133, 91885), (161, 75905), (235, 52003), (323, 37835), (329, 37145), (391, 31255), (437, 27965), (595, 20539), (665, 18377), (799, 15295), (805, 15181), (893, 13685), (1081, 11305), (1615, 7567), (1645, 7429), (1955, 6251), (2185, 5593), (2261, 5405), (2737, 4465), (3059, 3995)]