1214391040

素因数分解:

$2^8\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1373}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 2915177328

約数和(自身を除く): 1700786288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 691, 1280, 1373, 1382, 2746, 2764, 3455, 5492, 5528, 6865, 6910, 10984, 11056, 13730, 13820, 21968, 22112, 27460, 27640, 43936, 44224, 54920, 55280, 87872, 88448, 109840, 110560, 175744, 176896, 219680, 221120, 351488, 439360, 442240, 878720, 884480, 948743, 1757440, 1897486, 3794972, 4743715, 7589944, 9487430, 15179888, 18974860, 30359776, 37949720, 60719552, 75899440, 121439104, 151798880, 242878208, 303597760, 607195520, 1214391040]

約数ペア:

[(1, 1214391040), (2, 607195520), (4, 303597760), (5, 242878208), (8, 151798880), (10, 121439104), (16, 75899440), (20, 60719552), (32, 37949720), (40, 30359776), (64, 18974860), (80, 15179888), (128, 9487430), (160, 7589944), (256, 4743715), (320, 3794972), (640, 1897486), (691, 1757440), (1280, 948743), (1373, 884480), (1382, 878720), (2746, 442240), (2764, 439360), (3455, 351488), (5492, 221120), (5528, 219680), (6865, 176896), (6910, 175744), (10984, 110560), (11056, 109840), (13730, 88448), (13820, 87872), (21968, 55280), (22112, 54920), (27460, 44224), (27640, 43936)]