31077760

素因数分解:

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

素因数の和:1024

約数の個数: 96

約数和(自身を含む): 86512320

約数和(自身を除く): 55434560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 991, 1120, 1568, 1960, 1982, 2240, 3136, 3920, 3964, 4480, 4955, 6272, 6937, 7840, 7928, 9910, 13874, 15680, 15856, 19820, 27748, 31360, 31712, 34685, 39640, 48559, 55496, 63424, 69370, 79280, 97118, 110992, 126848, 138740, 158560, 194236, 221984, 242795, 277480, 317120, 388472, 443968, 485590, 554960, 634240, 776944, 887936, 971180, 1109920, 1553888, 1942360, 2219840, 3107776, 3884720, 4439680, 6215552, 7769440, 15538880, 31077760]

約数ペア:

[(1, 31077760), (2, 15538880), (4, 7769440), (5, 6215552), (7, 4439680), (8, 3884720), (10, 3107776), (14, 2219840), (16, 1942360), (20, 1553888), (28, 1109920), (32, 971180), (35, 887936), (40, 776944), (49, 634240), (56, 554960), (64, 485590), (70, 443968), (80, 388472), (98, 317120), (112, 277480), (128, 242795), (140, 221984), (160, 194236), (196, 158560), (224, 138740), (245, 126848), (280, 110992), (320, 97118), (392, 79280), (448, 69370), (490, 63424), (560, 55496), (640, 48559), (784, 39640), (896, 34685), (980, 31712), (991, 31360), (1120, 27748), (1568, 19820), (1960, 15856), (1982, 15680), (2240, 13874), (3136, 9910), (3920, 7928), (3964, 7840), (4480, 6937), (4955, 6272)]