2480240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 6809088

約数和(自身を除く): 4328848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 103, 112, 140, 172, 206, 215, 280, 301, 344, 412, 430, 515, 560, 602, 688, 721, 824, 860, 1030, 1204, 1442, 1505, 1648, 1720, 2060, 2408, 2884, 3010, 3440, 3605, 4120, 4429, 4816, 5768, 6020, 7210, 8240, 8858, 11536, 12040, 14420, 17716, 22145, 24080, 28840, 31003, 35432, 44290, 57680, 62006, 70864, 88580, 124012, 155015, 177160, 248024, 310030, 354320, 496048, 620060, 1240120, 2480240]

約数ペア:

[(1, 2480240), (2, 1240120), (4, 620060), (5, 496048), (7, 354320), (8, 310030), (10, 248024), (14, 177160), (16, 155015), (20, 124012), (28, 88580), (35, 70864), (40, 62006), (43, 57680), (56, 44290), (70, 35432), (80, 31003), (86, 28840), (103, 24080), (112, 22145), (140, 17716), (172, 14420), (206, 12040), (215, 11536), (280, 8858), (301, 8240), (344, 7210), (412, 6020), (430, 5768), (515, 4816), (560, 4429), (602, 4120), (688, 3605), (721, 3440), (824, 3010), (860, 2884), (1030, 2408), (1204, 2060), (1442, 1720), (1505, 1648)]