1338775680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63389}}^1$

素因数の和:63422

約数の個数: 128

約数和(自身を含む): 4655361600

約数和(自身を除く): 3316585920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 63389, 126778, 190167, 253556, 316945, 380334, 507112, 633890, 697279, 760668, 950835, 1014224, 1267780, 1394558, 1521336, 1901670, 2028448, 2091837, 2535560, 2789116, 3042672, 3486395, 3803340, 4056896, 4183674, 5071120, 5578232, 6085344, 6972790, 7606680, 8113792, 8367348, 10142240, 10459185, 11156464, 12170688, 13945580, 15213360, 16734696, 20284480, 20918370, 22312928, 24341376, 27891160, 30426720, 33469392, 40568960, 41836740, 44625856, 55782320, 60853440, 66938784, 83673480, 89251712, 111564640, 121706880, 133877568, 167346960, 223129280, 267755136, 334693920, 446258560, 669387840, 1338775680]

約数ペア:

[(1, 1338775680), (2, 669387840), (3, 446258560), (4, 334693920), (5, 267755136), (6, 223129280), (8, 167346960), (10, 133877568), (11, 121706880), (12, 111564640), (15, 89251712), (16, 83673480), (20, 66938784), (22, 60853440), (24, 55782320), (30, 44625856), (32, 41836740), (33, 40568960), (40, 33469392), (44, 30426720), (48, 27891160), (55, 24341376), (60, 22312928), (64, 20918370), (66, 20284480), (80, 16734696), (88, 15213360), (96, 13945580), (110, 12170688), (120, 11156464), (128, 10459185), (132, 10142240), (160, 8367348), (165, 8113792), (176, 7606680), (192, 6972790), (220, 6085344), (240, 5578232), (264, 5071120), (320, 4183674), (330, 4056896), (352, 3803340), (384, 3486395), (440, 3042672), (480, 2789116), (528, 2535560), (640, 2091837), (660, 2028448), (704, 1901670), (880, 1521336), (960, 1394558), (1056, 1267780), (1320, 1014224), (1408, 950835), (1760, 760668), (1920, 697279), (2112, 633890), (2640, 507112), (3520, 380334), (4224, 316945), (5280, 253556), (7040, 190167), (10560, 126778), (21120, 63389)]