1558849280

素因数分解:

$2^8\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1373}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 3740863392

約数和(自身を除く): 2182014112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 887, 1280, 1373, 1774, 2746, 3548, 4435, 5492, 6865, 7096, 8870, 10984, 13730, 14192, 17740, 21968, 27460, 28384, 35480, 43936, 54920, 56768, 70960, 87872, 109840, 113536, 141920, 175744, 219680, 227072, 283840, 351488, 439360, 567680, 878720, 1135360, 1217851, 1757440, 2435702, 4871404, 6089255, 9742808, 12178510, 19485616, 24357020, 38971232, 48714040, 77942464, 97428080, 155884928, 194856160, 311769856, 389712320, 779424640, 1558849280]

約数ペア:

[(1, 1558849280), (2, 779424640), (4, 389712320), (5, 311769856), (8, 194856160), (10, 155884928), (16, 97428080), (20, 77942464), (32, 48714040), (40, 38971232), (64, 24357020), (80, 19485616), (128, 12178510), (160, 9742808), (256, 6089255), (320, 4871404), (640, 2435702), (887, 1757440), (1280, 1217851), (1373, 1135360), (1774, 878720), (2746, 567680), (3548, 439360), (4435, 351488), (5492, 283840), (6865, 227072), (7096, 219680), (8870, 175744), (10984, 141920), (13730, 113536), (14192, 109840), (17740, 87872), (21968, 70960), (27460, 56768), (28384, 54920), (35480, 43936)]