15538880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1022

約数の個数: 84

約数和(自身を含む): 43086528

約数和(自身を除く): 27547648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 991, 1120, 1568, 1960, 1982, 2240, 3136, 3920, 3964, 4955, 6937, 7840, 7928, 9910, 13874, 15680, 15856, 19820, 27748, 31712, 34685, 39640, 48559, 55496, 63424, 69370, 79280, 97118, 110992, 138740, 158560, 194236, 221984, 242795, 277480, 317120, 388472, 443968, 485590, 554960, 776944, 971180, 1109920, 1553888, 1942360, 2219840, 3107776, 3884720, 7769440, 15538880]

約数ペア:

[(1, 15538880), (2, 7769440), (4, 3884720), (5, 3107776), (7, 2219840), (8, 1942360), (10, 1553888), (14, 1109920), (16, 971180), (20, 776944), (28, 554960), (32, 485590), (35, 443968), (40, 388472), (49, 317120), (56, 277480), (64, 242795), (70, 221984), (80, 194236), (98, 158560), (112, 138740), (140, 110992), (160, 97118), (196, 79280), (224, 69370), (245, 63424), (280, 55496), (320, 48559), (392, 39640), (448, 34685), (490, 31712), (560, 27748), (784, 19820), (980, 15856), (991, 15680), (1120, 13874), (1568, 9910), (1960, 7928), (1982, 7840), (2240, 6937), (3136, 4955), (3920, 3964)]