81747648

素因数分解:

$2^6\times 3^2\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:774

約数の個数: 84

約数和(自身を含む): 235564680

約数和(自身を除く): 153817032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 347, 409, 576, 694, 818, 1041, 1227, 1388, 1636, 2082, 2454, 2776, 3123, 3272, 3681, 4164, 4908, 5552, 6246, 6544, 7362, 8328, 9816, 11104, 12492, 13088, 14724, 16656, 19632, 22208, 24984, 26176, 29448, 33312, 39264, 49968, 58896, 66624, 78528, 99936, 117792, 141923, 199872, 235584, 283846, 425769, 567692, 851538, 1135384, 1277307, 1703076, 2270768, 2554614, 3406152, 4541536, 5109228, 6812304, 9083072, 10218456, 13624608, 20436912, 27249216, 40873824, 81747648]

約数ペア:

[(1, 81747648), (2, 40873824), (3, 27249216), (4, 20436912), (6, 13624608), (8, 10218456), (9, 9083072), (12, 6812304), (16, 5109228), (18, 4541536), (24, 3406152), (32, 2554614), (36, 2270768), (48, 1703076), (64, 1277307), (72, 1135384), (96, 851538), (144, 567692), (192, 425769), (288, 283846), (347, 235584), (409, 199872), (576, 141923), (694, 117792), (818, 99936), (1041, 78528), (1227, 66624), (1388, 58896), (1636, 49968), (2082, 39264), (2454, 33312), (2776, 29448), (3123, 26176), (3272, 24984), (3681, 22208), (4164, 19632), (4908, 16656), (5552, 14724), (6246, 13088), (6544, 12492), (7362, 11104), (8328, 9816)]