76789720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6689}}^1$

素因数の和:6748

約数の個数: 64

約数和(自身を含む): 202305600

約数和(自身を除く): 125515880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 6689, 11480, 13378, 26756, 33445, 46823, 53512, 66890, 93646, 133780, 187292, 234115, 267560, 274249, 374584, 468230, 548498, 936460, 1096996, 1371245, 1872920, 1919743, 2193992, 2742490, 3839486, 5484980, 7678972, 9598715, 10969960, 15357944, 19197430, 38394860, 76789720]

約数ペア:

[(1, 76789720), (2, 38394860), (4, 19197430), (5, 15357944), (7, 10969960), (8, 9598715), (10, 7678972), (14, 5484980), (20, 3839486), (28, 2742490), (35, 2193992), (40, 1919743), (41, 1872920), (56, 1371245), (70, 1096996), (82, 936460), (140, 548498), (164, 468230), (205, 374584), (280, 274249), (287, 267560), (328, 234115), (410, 187292), (574, 133780), (820, 93646), (1148, 66890), (1435, 53512), (1640, 46823), (2296, 33445), (2870, 26756), (5740, 13378), (6689, 11480)]