638810064

素因数分解:

$2^4\times 3^5\times {\mathrm{43}}^1\times {\mathrm{3821}}^1$

素因数の和:3887

約数の個数: 120

約数和(自身を含む): 1897607712

約数和(自身を除く): 1258797648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 81, 86, 108, 129, 144, 162, 172, 216, 243, 258, 324, 344, 387, 432, 486, 516, 648, 688, 774, 972, 1032, 1161, 1296, 1548, 1944, 2064, 2322, 3096, 3483, 3821, 3888, 4644, 6192, 6966, 7642, 9288, 10449, 11463, 13932, 15284, 18576, 20898, 22926, 27864, 30568, 34389, 41796, 45852, 55728, 61136, 68778, 83592, 91704, 103167, 137556, 164303, 167184, 183408, 206334, 275112, 309501, 328606, 412668, 492909, 550224, 619002, 657212, 825336, 928503, 985818, 1238004, 1314424, 1478727, 1650672, 1857006, 1971636, 2476008, 2628848, 2957454, 3714012, 3943272, 4436181, 4952016, 5914908, 7428024, 7886544, 8872362, 11829816, 13308543, 14856048, 17744724, 23659632, 26617086, 35489448, 39925629, 53234172, 70978896, 79851258, 106468344, 159702516, 212936688, 319405032, 638810064]

約数ペア:

[(1, 638810064), (2, 319405032), (3, 212936688), (4, 159702516), (6, 106468344), (8, 79851258), (9, 70978896), (12, 53234172), (16, 39925629), (18, 35489448), (24, 26617086), (27, 23659632), (36, 17744724), (43, 14856048), (48, 13308543), (54, 11829816), (72, 8872362), (81, 7886544), (86, 7428024), (108, 5914908), (129, 4952016), (144, 4436181), (162, 3943272), (172, 3714012), (216, 2957454), (243, 2628848), (258, 2476008), (324, 1971636), (344, 1857006), (387, 1650672), (432, 1478727), (486, 1314424), (516, 1238004), (648, 985818), (688, 928503), (774, 825336), (972, 657212), (1032, 619002), (1161, 550224), (1296, 492909), (1548, 412668), (1944, 328606), (2064, 309501), (2322, 275112), (3096, 206334), (3483, 183408), (3821, 167184), (3888, 164303), (4644, 137556), (6192, 103167), (6966, 91704), (7642, 83592), (9288, 68778), (10449, 61136), (11463, 55728), (13932, 45852), (15284, 41796), (18576, 34389), (20898, 30568), (22926, 27864)]