68810475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 124679520

約数和(自身を除く): 55869045

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 1275, 1479, 1861, 2175, 2465, 5583, 7395, 9305, 12325, 27915, 31637, 36975, 46525, 53969, 94911, 139575, 158185, 161907, 269845, 474555, 790925, 809535, 917473, 1349225, 2372775, 2752419, 4047675, 4587365, 13762095, 22936825, 68810475]

約数ペア:

[(1, 68810475), (3, 22936825), (5, 13762095), (15, 4587365), (17, 4047675), (25, 2752419), (29, 2372775), (51, 1349225), (75, 917473), (85, 809535), (87, 790925), (145, 474555), (255, 269845), (425, 161907), (435, 158185), (493, 139575), (725, 94911), (1275, 53969), (1479, 46525), (1861, 36975), (2175, 31637), (2465, 27915), (5583, 12325), (7395, 9305)]