80488520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1093}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 207947520

約数和(自身を除く): 127459000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1093, 1315, 1841, 2104, 2186, 2630, 3682, 4372, 5260, 5465, 7364, 7651, 8744, 9205, 10520, 10930, 14728, 15302, 18410, 21860, 30604, 36820, 38255, 43720, 61208, 73640, 76510, 153020, 287459, 306040, 574918, 1149836, 1437295, 2012213, 2299672, 2874590, 4024426, 5749180, 8048852, 10061065, 11498360, 16097704, 20122130, 40244260, 80488520]

約数ペア:

[(1, 80488520), (2, 40244260), (4, 20122130), (5, 16097704), (7, 11498360), (8, 10061065), (10, 8048852), (14, 5749180), (20, 4024426), (28, 2874590), (35, 2299672), (40, 2012213), (56, 1437295), (70, 1149836), (140, 574918), (263, 306040), (280, 287459), (526, 153020), (1052, 76510), (1093, 73640), (1315, 61208), (1841, 43720), (2104, 38255), (2186, 36820), (2630, 30604), (3682, 21860), (4372, 18410), (5260, 15302), (5465, 14728), (7364, 10930), (7651, 10520), (8744, 9205)]