1288856240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{2281}}^1$

素因数の和:3310

約数の個数: 80

約数和(自身を含む): 3429572160

約数和(自身を除く): 2140715920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1009, 2018, 2281, 4036, 4562, 5045, 7063, 8072, 9124, 10090, 11405, 14126, 15967, 16144, 18248, 20180, 22810, 28252, 31934, 35315, 36496, 40360, 45620, 56504, 63868, 70630, 79835, 80720, 91240, 113008, 127736, 141260, 159670, 182480, 255472, 282520, 319340, 565040, 638680, 1277360, 2301529, 4603058, 9206116, 11507645, 16110703, 18412232, 23015290, 32221406, 36824464, 46030580, 64442812, 80553515, 92061160, 128885624, 161107030, 184122320, 257771248, 322214060, 644428120, 1288856240]

約数ペア:

[(1, 1288856240), (2, 644428120), (4, 322214060), (5, 257771248), (7, 184122320), (8, 161107030), (10, 128885624), (14, 92061160), (16, 80553515), (20, 64442812), (28, 46030580), (35, 36824464), (40, 32221406), (56, 23015290), (70, 18412232), (80, 16110703), (112, 11507645), (140, 9206116), (280, 4603058), (560, 2301529), (1009, 1277360), (2018, 638680), (2281, 565040), (4036, 319340), (4562, 282520), (5045, 255472), (7063, 182480), (8072, 159670), (9124, 141260), (10090, 127736), (11405, 113008), (14126, 91240), (15967, 80720), (16144, 79835), (18248, 70630), (20180, 63868), (22810, 56504), (28252, 45620), (31934, 40360), (35315, 36496)]