7710640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{281}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 20980800

約数和(自身を除く): 13270160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 281, 343, 392, 490, 560, 562, 686, 784, 980, 1124, 1372, 1405, 1715, 1960, 1967, 2248, 2744, 2810, 3430, 3920, 3934, 4496, 5488, 5620, 6860, 7868, 9835, 11240, 13720, 13769, 15736, 19670, 22480, 27440, 27538, 31472, 39340, 55076, 68845, 78680, 96383, 110152, 137690, 157360, 192766, 220304, 275380, 385532, 481915, 550760, 771064, 963830, 1101520, 1542128, 1927660, 3855320, 7710640]

約数ペア:

[(1, 7710640), (2, 3855320), (4, 1927660), (5, 1542128), (7, 1101520), (8, 963830), (10, 771064), (14, 550760), (16, 481915), (20, 385532), (28, 275380), (35, 220304), (40, 192766), (49, 157360), (56, 137690), (70, 110152), (80, 96383), (98, 78680), (112, 68845), (140, 55076), (196, 39340), (245, 31472), (280, 27538), (281, 27440), (343, 22480), (392, 19670), (490, 15736), (560, 13769), (562, 13720), (686, 11240), (784, 9835), (980, 7868), (1124, 6860), (1372, 5620), (1405, 5488), (1715, 4496), (1960, 3934), (1967, 3920), (2248, 3430), (2744, 2810)]