261527904

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2721

約数の個数: 144

約数和(自身を含む): 837817344

約数和(自身を除く): 576289440

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 66, 72, 88, 93, 96, 99, 124, 132, 144, 176, 186, 198, 248, 264, 279, 288, 341, 352, 372, 396, 496, 528, 558, 682, 744, 792, 992, 1023, 1056, 1116, 1364, 1488, 1584, 2046, 2232, 2663, 2728, 2976, 3069, 3168, 4092, 4464, 5326, 5456, 6138, 7989, 8184, 8928, 10652, 10912, 12276, 15978, 16368, 21304, 23967, 24552, 29293, 31956, 32736, 42608, 47934, 49104, 58586, 63912, 82553, 85216, 87879, 95868, 98208, 117172, 127824, 165106, 175758, 191736, 234344, 247659, 255648, 263637, 330212, 351516, 383472, 468688, 495318, 527274, 660424, 703032, 742977, 766944, 908083, 937376, 990636, 1054548, 1320848, 1406064, 1485954, 1816166, 1981272, 2109096, 2641696, 2724249, 2812128, 2971908, 3632332, 3962544, 4218192, 5448498, 5943816, 7264664, 7925088, 8172747, 8436384, 10896996, 11887632, 14529328, 16345494, 21793992, 23775264, 29058656, 32690988, 43587984, 65381976, 87175968, 130763952, 261527904]

約数ペア:

[(1, 261527904), (2, 130763952), (3, 87175968), (4, 65381976), (6, 43587984), (8, 32690988), (9, 29058656), (11, 23775264), (12, 21793992), (16, 16345494), (18, 14529328), (22, 11887632), (24, 10896996), (31, 8436384), (32, 8172747), (33, 7925088), (36, 7264664), (44, 5943816), (48, 5448498), (62, 4218192), (66, 3962544), (72, 3632332), (88, 2971908), (93, 2812128), (96, 2724249), (99, 2641696), (124, 2109096), (132, 1981272), (144, 1816166), (176, 1485954), (186, 1406064), (198, 1320848), (248, 1054548), (264, 990636), (279, 937376), (288, 908083), (341, 766944), (352, 742977), (372, 703032), (396, 660424), (496, 527274), (528, 495318), (558, 468688), (682, 383472), (744, 351516), (792, 330212), (992, 263637), (1023, 255648), (1056, 247659), (1116, 234344), (1364, 191736), (1488, 175758), (1584, 165106), (2046, 127824), (2232, 117172), (2663, 98208), (2728, 95868), (2976, 87879), (3069, 85216), (3168, 82553), (4092, 63912), (4464, 58586), (5326, 49104), (5456, 47934), (6138, 42608), (7989, 32736), (8184, 31956), (8928, 29293), (10652, 24552), (10912, 23967), (12276, 21304), (15978, 16368)]