9920960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 112

約数和(自身を含む): 27895296

約数和(自身を除く): 17974336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 103, 112, 140, 160, 172, 206, 215, 224, 280, 301, 320, 344, 412, 430, 448, 515, 560, 602, 688, 721, 824, 860, 1030, 1120, 1204, 1376, 1442, 1505, 1648, 1720, 2060, 2240, 2408, 2752, 2884, 3010, 3296, 3440, 3605, 4120, 4429, 4816, 5768, 6020, 6592, 6880, 7210, 8240, 8858, 9632, 11536, 12040, 13760, 14420, 16480, 17716, 19264, 22145, 23072, 24080, 28840, 31003, 32960, 35432, 44290, 46144, 48160, 57680, 62006, 70864, 88580, 96320, 115360, 124012, 141728, 155015, 177160, 230720, 248024, 283456, 310030, 354320, 496048, 620060, 708640, 992096, 1240120, 1417280, 1984192, 2480240, 4960480, 9920960]

約数ペア:

[(1, 9920960), (2, 4960480), (4, 2480240), (5, 1984192), (7, 1417280), (8, 1240120), (10, 992096), (14, 708640), (16, 620060), (20, 496048), (28, 354320), (32, 310030), (35, 283456), (40, 248024), (43, 230720), (56, 177160), (64, 155015), (70, 141728), (80, 124012), (86, 115360), (103, 96320), (112, 88580), (140, 70864), (160, 62006), (172, 57680), (206, 48160), (215, 46144), (224, 44290), (280, 35432), (301, 32960), (320, 31003), (344, 28840), (412, 24080), (430, 23072), (448, 22145), (515, 19264), (560, 17716), (602, 16480), (688, 14420), (721, 13760), (824, 12040), (860, 11536), (1030, 9632), (1120, 8858), (1204, 8240), (1376, 7210), (1442, 6880), (1505, 6592), (1648, 6020), (1720, 5768), (2060, 4816), (2240, 4429), (2408, 4120), (2752, 3605), (2884, 3440), (3010, 3296)]