15855616

素因数分解:

$2^{12}\times 7^2\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 78

約数和(自身を含む): 37350960

約数和(自身を除く): 21495344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 158, 196, 224, 256, 316, 392, 448, 512, 553, 632, 784, 896, 1024, 1106, 1264, 1568, 1792, 2048, 2212, 2528, 3136, 3584, 3871, 4096, 4424, 5056, 6272, 7168, 7742, 8848, 10112, 12544, 14336, 15484, 17696, 20224, 25088, 28672, 30968, 35392, 40448, 50176, 61936, 70784, 80896, 100352, 123872, 141568, 161792, 200704, 247744, 283136, 323584, 495488, 566272, 990976, 1132544, 1981952, 2265088, 3963904, 7927808, 15855616]

約数ペア:

[(1, 15855616), (2, 7927808), (4, 3963904), (7, 2265088), (8, 1981952), (14, 1132544), (16, 990976), (28, 566272), (32, 495488), (49, 323584), (56, 283136), (64, 247744), (79, 200704), (98, 161792), (112, 141568), (128, 123872), (158, 100352), (196, 80896), (224, 70784), (256, 61936), (316, 50176), (392, 40448), (448, 35392), (512, 30968), (553, 28672), (632, 25088), (784, 20224), (896, 17696), (1024, 15484), (1106, 14336), (1264, 12544), (1568, 10112), (1792, 8848), (2048, 7742), (2212, 7168), (2528, 6272), (3136, 5056), (3584, 4424), (3871, 4096)]