1287919920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{109517}}^1$

素因数の和:109547

約数の個数: 120

約数和(自身を含む): 4644439344

約数和(自身を除く): 3356519424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 109517, 219034, 328551, 438068, 547585, 657102, 766619, 876136, 1095170, 1314204, 1533238, 1642755, 1752272, 2190340, 2299857, 2628408, 3066476, 3285510, 3833095, 4380680, 4599714, 5256816, 5366333, 6132952, 6571020, 7666190, 8761360, 9199428, 10732666, 11499285, 12265904, 13142040, 15332380, 16098999, 18398856, 21465332, 22998570, 26284080, 26831665, 30664760, 32197998, 36797712, 42930664, 45997140, 53663330, 61329520, 64395996, 80494995, 85861328, 91994280, 107326660, 128791992, 160989990, 183988560, 214653320, 257583984, 321979980, 429306640, 643959960, 1287919920]

約数ペア:

[(1, 1287919920), (2, 643959960), (3, 429306640), (4, 321979980), (5, 257583984), (6, 214653320), (7, 183988560), (8, 160989990), (10, 128791992), (12, 107326660), (14, 91994280), (15, 85861328), (16, 80494995), (20, 64395996), (21, 61329520), (24, 53663330), (28, 45997140), (30, 42930664), (35, 36797712), (40, 32197998), (42, 30664760), (48, 26831665), (49, 26284080), (56, 22998570), (60, 21465332), (70, 18398856), (80, 16098999), (84, 15332380), (98, 13142040), (105, 12265904), (112, 11499285), (120, 10732666), (140, 9199428), (147, 8761360), (168, 7666190), (196, 6571020), (210, 6132952), (240, 5366333), (245, 5256816), (280, 4599714), (294, 4380680), (336, 3833095), (392, 3285510), (420, 3066476), (490, 2628408), (560, 2299857), (588, 2190340), (735, 1752272), (784, 1642755), (840, 1533238), (980, 1314204), (1176, 1095170), (1470, 876136), (1680, 766619), (1960, 657102), (2352, 547585), (2940, 438068), (3920, 328551), (5880, 219034), (11760, 109517)]