64251880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:959

約数の個数: 128

約数和(自身を含む): 188282880

約数和(自身を除く): 124031000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 907, 920, 1012, 1265, 1288, 1540, 1610, 1771, 1814, 2024, 2530, 3080, 3220, 3542, 3628, 4535, 5060, 6349, 6440, 7084, 7256, 8855, 9070, 9977, 10120, 12698, 14168, 17710, 18140, 19954, 20861, 25396, 31745, 35420, 36280, 39908, 41722, 49885, 50792, 63490, 69839, 70840, 79816, 83444, 99770, 104305, 126980, 139678, 146027, 166888, 199540, 208610, 229471, 253960, 279356, 292054, 349195, 399080, 417220, 458942, 558712, 584108, 698390, 730135, 834440, 917884, 1147355, 1168216, 1396780, 1460270, 1606297, 1835768, 2294710, 2793560, 2920540, 3212594, 4589420, 5841080, 6425188, 8031485, 9178840, 12850376, 16062970, 32125940, 64251880]

約数ペア:

[(1, 64251880), (2, 32125940), (4, 16062970), (5, 12850376), (7, 9178840), (8, 8031485), (10, 6425188), (11, 5841080), (14, 4589420), (20, 3212594), (22, 2920540), (23, 2793560), (28, 2294710), (35, 1835768), (40, 1606297), (44, 1460270), (46, 1396780), (55, 1168216), (56, 1147355), (70, 917884), (77, 834440), (88, 730135), (92, 698390), (110, 584108), (115, 558712), (140, 458942), (154, 417220), (161, 399080), (184, 349195), (220, 292054), (230, 279356), (253, 253960), (280, 229471), (308, 208610), (322, 199540), (385, 166888), (440, 146027), (460, 139678), (506, 126980), (616, 104305), (644, 99770), (770, 83444), (805, 79816), (907, 70840), (920, 69839), (1012, 63490), (1265, 50792), (1288, 49885), (1540, 41722), (1610, 39908), (1771, 36280), (1814, 35420), (2024, 31745), (2530, 25396), (3080, 20861), (3220, 19954), (3542, 18140), (3628, 17710), (4535, 14168), (5060, 12698), (6349, 10120), (6440, 9977), (7084, 9070), (7256, 8855)]