987276640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3137}}^1$

素因数の和:3440

約数の個数: 96

約数和(自身を含む): 2675985984

約数和(自身を除く): 1688709344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 281, 560, 562, 1120, 1124, 1405, 1967, 2248, 2810, 3137, 3934, 4496, 5620, 6274, 7868, 8992, 9835, 11240, 12548, 15685, 15736, 19670, 21959, 22480, 25096, 31370, 31472, 39340, 43918, 44960, 50192, 62740, 62944, 78680, 87836, 100384, 109795, 125480, 157360, 175672, 219590, 250960, 314720, 351344, 439180, 501920, 702688, 878360, 881497, 1756720, 1762994, 3513440, 3525988, 4407485, 6170479, 7051976, 8814970, 12340958, 14103952, 17629940, 24681916, 28207904, 30852395, 35259880, 49363832, 61704790, 70519760, 98727664, 123409580, 141039520, 197455328, 246819160, 493638320, 987276640]

約数ペア:

[(1, 987276640), (2, 493638320), (4, 246819160), (5, 197455328), (7, 141039520), (8, 123409580), (10, 98727664), (14, 70519760), (16, 61704790), (20, 49363832), (28, 35259880), (32, 30852395), (35, 28207904), (40, 24681916), (56, 17629940), (70, 14103952), (80, 12340958), (112, 8814970), (140, 7051976), (160, 6170479), (224, 4407485), (280, 3525988), (281, 3513440), (560, 1762994), (562, 1756720), (1120, 881497), (1124, 878360), (1405, 702688), (1967, 501920), (2248, 439180), (2810, 351344), (3137, 314720), (3934, 250960), (4496, 219590), (5620, 175672), (6274, 157360), (7868, 125480), (8992, 109795), (9835, 100384), (11240, 87836), (12548, 78680), (15685, 62944), (15736, 62740), (19670, 50192), (21959, 44960), (22480, 43918), (25096, 39340), (31370, 31472)]