1256557568

素因数分解:

$2^{10}\times 7^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:430

約数の個数: 132

約数和(自身を含む): 2968313760

約数和(自身を除く): 1711756192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 158, 196, 224, 256, 316, 317, 392, 448, 512, 553, 632, 634, 784, 896, 1024, 1106, 1264, 1268, 1568, 1792, 2212, 2219, 2528, 2536, 3136, 3584, 3871, 4424, 4438, 5056, 5072, 6272, 7168, 7742, 8848, 8876, 10112, 10144, 12544, 15484, 15533, 17696, 17752, 20224, 20288, 25043, 25088, 30968, 31066, 35392, 35504, 40448, 40576, 50086, 50176, 61936, 62132, 70784, 71008, 80896, 81152, 100172, 123872, 124264, 141568, 142016, 162304, 175301, 200344, 247744, 248528, 283136, 284032, 324608, 350602, 400688, 495488, 497056, 566272, 568064, 701204, 801376, 990976, 994112, 1136128, 1227107, 1402408, 1602752, 1981952, 1988224, 2272256, 2454214, 2804816, 3205504, 3963904, 3976448, 4908428, 5609632, 6411008, 7952896, 9816856, 11219264, 12822016, 15905792, 19633712, 22438528, 25644032, 39267424, 44877056, 78534848, 89754112, 157069696, 179508224, 314139392, 628278784, 1256557568]

約数ペア:

[(1, 1256557568), (2, 628278784), (4, 314139392), (7, 179508224), (8, 157069696), (14, 89754112), (16, 78534848), (28, 44877056), (32, 39267424), (49, 25644032), (56, 22438528), (64, 19633712), (79, 15905792), (98, 12822016), (112, 11219264), (128, 9816856), (158, 7952896), (196, 6411008), (224, 5609632), (256, 4908428), (316, 3976448), (317, 3963904), (392, 3205504), (448, 2804816), (512, 2454214), (553, 2272256), (632, 1988224), (634, 1981952), (784, 1602752), (896, 1402408), (1024, 1227107), (1106, 1136128), (1264, 994112), (1268, 990976), (1568, 801376), (1792, 701204), (2212, 568064), (2219, 566272), (2528, 497056), (2536, 495488), (3136, 400688), (3584, 350602), (3871, 324608), (4424, 284032), (4438, 283136), (5056, 248528), (5072, 247744), (6272, 200344), (7168, 175301), (7742, 162304), (8848, 142016), (8876, 141568), (10112, 124264), (10144, 123872), (12544, 100172), (15484, 81152), (15533, 80896), (17696, 71008), (17752, 70784), (20224, 62132), (20288, 61936), (25043, 50176), (25088, 50086), (30968, 40576), (31066, 40448), (35392, 35504)]