64193475

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 109814400

約数和(自身を除く): 45620925

約数列:

[1, 3, 5, 15, 25, 59, 75, 89, 163, 177, 267, 295, 445, 489, 815, 885, 1335, 1475, 2225, 2445, 4075, 4425, 5251, 6675, 9617, 12225, 14507, 15753, 26255, 28851, 43521, 48085, 72535, 78765, 131275, 144255, 217605, 240425, 362675, 393825, 721275, 855913, 1088025, 2567739, 4279565, 12838695, 21397825, 64193475]

約数ペア:

[(1, 64193475), (3, 21397825), (5, 12838695), (15, 4279565), (25, 2567739), (59, 1088025), (75, 855913), (89, 721275), (163, 393825), (177, 362675), (267, 240425), (295, 217605), (445, 144255), (489, 131275), (815, 78765), (885, 72535), (1335, 48085), (1475, 43521), (2225, 28851), (2445, 26255), (4075, 15753), (4425, 14507), (5251, 12225), (6675, 9617)]