15127420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 42900480

約数和(自身を除く): 27773060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 47, 55, 70, 76, 77, 94, 95, 110, 121, 133, 140, 154, 188, 190, 209, 220, 235, 242, 266, 308, 329, 380, 385, 418, 470, 484, 517, 532, 605, 658, 665, 770, 836, 847, 893, 940, 1034, 1045, 1210, 1316, 1330, 1463, 1540, 1645, 1694, 1786, 2068, 2090, 2299, 2420, 2585, 2660, 2926, 3290, 3388, 3572, 3619, 4180, 4235, 4465, 4598, 5170, 5687, 5852, 6251, 6580, 7238, 7315, 8470, 8930, 9196, 9823, 10340, 11374, 11495, 12502, 14476, 14630, 16093, 16940, 17860, 18095, 19646, 22748, 22990, 25004, 28435, 29260, 31255, 32186, 36190, 39292, 39809, 45980, 49115, 56870, 62510, 64372, 68761, 72380, 79618, 80465, 98230, 108053, 113740, 125020, 137522, 159236, 160930, 196460, 199045, 216106, 275044, 321860, 343805, 398090, 432212, 540265, 687610, 756371, 796180, 1080530, 1375220, 1512742, 2161060, 3025484, 3781855, 7563710, 15127420]

約数ペア:

[(1, 15127420), (2, 7563710), (4, 3781855), (5, 3025484), (7, 2161060), (10, 1512742), (11, 1375220), (14, 1080530), (19, 796180), (20, 756371), (22, 687610), (28, 540265), (35, 432212), (38, 398090), (44, 343805), (47, 321860), (55, 275044), (70, 216106), (76, 199045), (77, 196460), (94, 160930), (95, 159236), (110, 137522), (121, 125020), (133, 113740), (140, 108053), (154, 98230), (188, 80465), (190, 79618), (209, 72380), (220, 68761), (235, 64372), (242, 62510), (266, 56870), (308, 49115), (329, 45980), (380, 39809), (385, 39292), (418, 36190), (470, 32186), (484, 31255), (517, 29260), (532, 28435), (605, 25004), (658, 22990), (665, 22748), (770, 19646), (836, 18095), (847, 17860), (893, 16940), (940, 16093), (1034, 14630), (1045, 14476), (1210, 12502), (1316, 11495), (1330, 11374), (1463, 10340), (1540, 9823), (1645, 9196), (1694, 8930), (1786, 8470), (2068, 7315), (2090, 7238), (2299, 6580), (2420, 6251), (2585, 5852), (2660, 5687), (2926, 5170), (3290, 4598), (3388, 4465), (3572, 4235), (3619, 4180)]