15664040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 41247360

約数和(自身を除く): 25583320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1301, 1505, 1720, 2408, 2602, 3010, 5204, 6020, 6505, 9107, 10408, 12040, 13010, 18214, 26020, 36428, 45535, 52040, 55943, 72856, 91070, 111886, 182140, 223772, 279715, 364280, 391601, 447544, 559430, 783202, 1118860, 1566404, 1958005, 2237720, 3132808, 3916010, 7832020, 15664040]

約数ペア:

[(1, 15664040), (2, 7832020), (4, 3916010), (5, 3132808), (7, 2237720), (8, 1958005), (10, 1566404), (14, 1118860), (20, 783202), (28, 559430), (35, 447544), (40, 391601), (43, 364280), (56, 279715), (70, 223772), (86, 182140), (140, 111886), (172, 91070), (215, 72856), (280, 55943), (301, 52040), (344, 45535), (430, 36428), (602, 26020), (860, 18214), (1204, 13010), (1301, 12040), (1505, 10408), (1720, 9107), (2408, 6505), (2602, 6020), (3010, 5204)]