68378256

素因数分解:

$2^4\times 3^5\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 203563360

約数和(自身を除く): 135185104

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, 409, 432, 486, 516, 648, 688, 774, 818, 972, 1032, 1161, 1227, 1296, 1548, 1636, 1944, 2064, 2322, 2454, 3096, 3272, 3483, 3681, 3888, 4644, 4908, 6192, 6544, 6966, 7362, 9288, 9816, 10449, 11043, 13932, 14724, 17587, 18576, 19632, 20898, 22086, 27864, 29448, 33129, 35174, 41796, 44172, 52761, 55728, 58896, 66258, 70348, 83592, 88344, 99387, 105522, 132516, 140696, 158283, 167184, 176688, 198774, 211044, 265032, 281392, 316566, 397548, 422088, 474849, 530064, 633132, 795096, 844176, 949698, 1266264, 1424547, 1590192, 1899396, 2532528, 2849094, 3798792, 4273641, 5698188, 7597584, 8547282, 11396376, 17094564, 22792752, 34189128, 68378256]

約数ペア:

[(1, 68378256), (2, 34189128), (3, 22792752), (4, 17094564), (6, 11396376), (8, 8547282), (9, 7597584), (12, 5698188), (16, 4273641), (18, 3798792), (24, 2849094), (27, 2532528), (36, 1899396), (43, 1590192), (48, 1424547), (54, 1266264), (72, 949698), (81, 844176), (86, 795096), (108, 633132), (129, 530064), (144, 474849), (162, 422088), (172, 397548), (216, 316566), (243, 281392), (258, 265032), (324, 211044), (344, 198774), (387, 176688), (409, 167184), (432, 158283), (486, 140696), (516, 132516), (648, 105522), (688, 99387), (774, 88344), (818, 83592), (972, 70348), (1032, 66258), (1161, 58896), (1227, 55728), (1296, 52761), (1548, 44172), (1636, 41796), (1944, 35174), (2064, 33129), (2322, 29448), (2454, 27864), (3096, 22086), (3272, 20898), (3483, 19632), (3681, 18576), (3888, 17587), (4644, 14724), (4908, 13932), (6192, 11043), (6544, 10449), (6966, 9816), (7362, 9288)]