68111225

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 72

約数和(自身を含む): 108921600

約数和(自身を除く): 40810375

約数列:

[1, 5, 7, 13, 25, 35, 47, 49, 65, 91, 169, 175, 235, 245, 325, 329, 343, 455, 611, 637, 845, 1175, 1183, 1225, 1645, 1715, 2275, 2303, 3055, 3185, 4225, 4277, 4459, 5915, 7943, 8225, 8281, 8575, 11515, 15275, 15925, 16121, 21385, 22295, 29575, 29939, 39715, 41405, 55601, 57575, 57967, 80605, 106925, 111475, 149695, 198575, 207025, 209573, 278005, 289835, 389207, 403025, 748475, 1047865, 1390025, 1449175, 1946035, 2724449, 5239325, 9730175, 13622245, 68111225]

約数ペア:

[(1, 68111225), (5, 13622245), (7, 9730175), (13, 5239325), (25, 2724449), (35, 1946035), (47, 1449175), (49, 1390025), (65, 1047865), (91, 748475), (169, 403025), (175, 389207), (235, 289835), (245, 278005), (325, 209573), (329, 207025), (343, 198575), (455, 149695), (611, 111475), (637, 106925), (845, 80605), (1175, 57967), (1183, 57575), (1225, 55601), (1645, 41405), (1715, 39715), (2275, 29939), (2303, 29575), (3055, 22295), (3185, 21385), (4225, 16121), (4277, 15925), (4459, 15275), (5915, 11515), (7943, 8575), (8225, 8281)]