220517882015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 282036142080

約数和(自身を除く): 61518260065

約数列:

[1, 5, 31, 53, 109, 155, 265, 383, 545, 643, 1643, 1915, 3215, 3379, 5777, 8215, 11873, 16895, 19933, 20299, 28885, 34079, 41747, 59365, 70087, 99665, 101495, 170395, 179087, 208735, 246269, 350435, 629269, 895435, 1056449, 1231345, 1294157, 2172697, 2212591, 3146345, 3714611, 5282245, 6470785, 7634339, 10863485, 11062955, 13052257, 18573055, 26843321, 38171695, 65261285, 68590321, 115152941, 134216605, 342951605, 404619967, 575764705, 832142951, 1422696013, 2023099835, 4160714755, 7113480065, 44103576403, 220517882015]

約数ペア:

[(1, 220517882015), (5, 44103576403), (31, 7113480065), (53, 4160714755), (109, 2023099835), (155, 1422696013), (265, 832142951), (383, 575764705), (545, 404619967), (643, 342951605), (1643, 134216605), (1915, 115152941), (3215, 68590321), (3379, 65261285), (5777, 38171695), (8215, 26843321), (11873, 18573055), (16895, 13052257), (19933, 11062955), (20299, 10863485), (28885, 7634339), (34079, 6470785), (41747, 5282245), (59365, 3714611), (70087, 3146345), (99665, 2212591), (101495, 2172697), (170395, 1294157), (179087, 1231345), (208735, 1056449), (246269, 895435), (350435, 629269)]