15696220225

素因数分解:

$5^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 23275296000

約数和(自身を除く): 7579075775

約数列:

[1, 5, 7, 25, 35, 49, 89, 131, 157, 175, 245, 343, 445, 623, 655, 785, 917, 1099, 1225, 1715, 2225, 3115, 3275, 3925, 4361, 4585, 5495, 6419, 7693, 8575, 11659, 13973, 15575, 20567, 21805, 22925, 27475, 30527, 32095, 38465, 44933, 53851, 58295, 69865, 81613, 97811, 102835, 109025, 143969, 152635, 160475, 192325, 224665, 269255, 291475, 349325, 408065, 489055, 514175, 571291, 684677, 719845, 763175, 1007783, 1123325, 1346275, 1830463, 2040325, 2445275, 2856455, 3423385, 3599225, 3999037, 4792739, 5038915, 7054481, 9152315, 12813241, 14282275, 17116925, 19995185, 23963695, 25194575, 35272405, 45761575, 64066205, 89692687, 99975925, 119818475, 176362025, 320331025, 448463435, 627848809, 2242317175, 3139244045, 15696220225]

約数ペア:

[(1, 15696220225), (5, 3139244045), (7, 2242317175), (25, 627848809), (35, 448463435), (49, 320331025), (89, 176362025), (131, 119818475), (157, 99975925), (175, 89692687), (245, 64066205), (343, 45761575), (445, 35272405), (623, 25194575), (655, 23963695), (785, 19995185), (917, 17116925), (1099, 14282275), (1225, 12813241), (1715, 9152315), (2225, 7054481), (3115, 5038915), (3275, 4792739), (3925, 3999037), (4361, 3599225), (4585, 3423385), (5495, 2856455), (6419, 2445275), (7693, 2040325), (8575, 1830463), (11659, 1346275), (13973, 1123325), (15575, 1007783), (20567, 763175), (21805, 719845), (22925, 684677), (27475, 571291), (30527, 514175), (32095, 489055), (38465, 408065), (44933, 349325), (53851, 291475), (58295, 269255), (69865, 224665), (81613, 192325), (97811, 160475), (102835, 152635), (109025, 143969)]