1216407720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15619}}^1$

素因数の和:15703

約数の個数: 128

約数和(自身を含む): 4048704000

約数和(自身を除く): 2832296280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 110, 118, 120, 132, 165, 177, 220, 236, 264, 295, 330, 354, 440, 472, 590, 649, 660, 708, 885, 1180, 1298, 1320, 1416, 1770, 1947, 2360, 2596, 3245, 3540, 3894, 5192, 6490, 7080, 7788, 9735, 12980, 15576, 15619, 19470, 25960, 31238, 38940, 46857, 62476, 77880, 78095, 93714, 124952, 156190, 171809, 187428, 234285, 312380, 343618, 374856, 468570, 515427, 624760, 687236, 859045, 921521, 937140, 1030854, 1374472, 1718090, 1843042, 1874280, 2061708, 2577135, 2764563, 3436180, 3686084, 4123416, 4607605, 5154270, 5529126, 6872360, 7372168, 9215210, 10136731, 10308540, 11058252, 13822815, 18430420, 20273462, 20617080, 22116504, 27645630, 30410193, 36860840, 40546924, 50683655, 55291260, 60820386, 81093848, 101367310, 110582520, 121640772, 152050965, 202734620, 243281544, 304101930, 405469240, 608203860, 1216407720]

約数ペア:

[(1, 1216407720), (2, 608203860), (3, 405469240), (4, 304101930), (5, 243281544), (6, 202734620), (8, 152050965), (10, 121640772), (11, 110582520), (12, 101367310), (15, 81093848), (20, 60820386), (22, 55291260), (24, 50683655), (30, 40546924), (33, 36860840), (40, 30410193), (44, 27645630), (55, 22116504), (59, 20617080), (60, 20273462), (66, 18430420), (88, 13822815), (110, 11058252), (118, 10308540), (120, 10136731), (132, 9215210), (165, 7372168), (177, 6872360), (220, 5529126), (236, 5154270), (264, 4607605), (295, 4123416), (330, 3686084), (354, 3436180), (440, 2764563), (472, 2577135), (590, 2061708), (649, 1874280), (660, 1843042), (708, 1718090), (885, 1374472), (1180, 1030854), (1298, 937140), (1320, 921521), (1416, 859045), (1770, 687236), (1947, 624760), (2360, 515427), (2596, 468570), (3245, 374856), (3540, 343618), (3894, 312380), (5192, 234285), (6490, 187428), (7080, 171809), (7788, 156190), (9735, 124952), (12980, 93714), (15576, 78095), (15619, 77880), (19470, 62476), (25960, 46857), (31238, 38940)]