84148480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 108

約数和(自身を含む): 218820420

約数和(自身を除く): 134671940

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 389, 416, 520, 640, 676, 778, 832, 845, 1040, 1280, 1352, 1556, 1664, 1690, 1945, 2080, 2704, 3112, 3328, 3380, 3890, 4160, 5057, 5408, 6224, 6760, 7780, 8320, 10114, 10816, 12448, 13520, 15560, 16640, 20228, 21632, 24896, 25285, 27040, 31120, 40456, 43264, 49792, 50570, 54080, 62240, 65741, 80912, 99584, 101140, 108160, 124480, 131482, 161824, 202280, 216320, 248960, 262964, 323648, 328705, 404560, 497920, 525928, 647296, 657410, 809120, 1051856, 1294592, 1314820, 1618240, 2103712, 2629640, 3236480, 4207424, 5259280, 6472960, 8414848, 10518560, 16829696, 21037120, 42074240, 84148480]

約数ペア:

[(1, 84148480), (2, 42074240), (4, 21037120), (5, 16829696), (8, 10518560), (10, 8414848), (13, 6472960), (16, 5259280), (20, 4207424), (26, 3236480), (32, 2629640), (40, 2103712), (52, 1618240), (64, 1314820), (65, 1294592), (80, 1051856), (104, 809120), (128, 657410), (130, 647296), (160, 525928), (169, 497920), (208, 404560), (256, 328705), (260, 323648), (320, 262964), (338, 248960), (389, 216320), (416, 202280), (520, 161824), (640, 131482), (676, 124480), (778, 108160), (832, 101140), (845, 99584), (1040, 80912), (1280, 65741), (1352, 62240), (1556, 54080), (1664, 50570), (1690, 49792), (1945, 43264), (2080, 40456), (2704, 31120), (3112, 27040), (3328, 25285), (3380, 24896), (3890, 21632), (4160, 20228), (5057, 16640), (5408, 15560), (6224, 13520), (6760, 12448), (7780, 10816), (8320, 10114)]