71481480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 250905600

約数和(自身を除く): 179424120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 1979, 2408, 2580, 3010, 3612, 3958, 4515, 5160, 5937, 6020, 7224, 7916, 9030, 9895, 11874, 12040, 13853, 15832, 18060, 19790, 23748, 27706, 29685, 36120, 39580, 41559, 47496, 55412, 59370, 69265, 79160, 83118, 85097, 110824, 118740, 138530, 166236, 170194, 207795, 237480, 255291, 277060, 332472, 340388, 415590, 425485, 510582, 554120, 595679, 680776, 831180, 850970, 1021164, 1191358, 1276455, 1662360, 1701940, 1787037, 2042328, 2382716, 2552910, 2978395, 3403880, 3574074, 4765432, 5105820, 5956790, 7148148, 8935185, 10211640, 11913580, 14296296, 17870370, 23827160, 35740740, 71481480]

約数ペア:

[(1, 71481480), (2, 35740740), (3, 23827160), (4, 17870370), (5, 14296296), (6, 11913580), (7, 10211640), (8, 8935185), (10, 7148148), (12, 5956790), (14, 5105820), (15, 4765432), (20, 3574074), (21, 3403880), (24, 2978395), (28, 2552910), (30, 2382716), (35, 2042328), (40, 1787037), (42, 1701940), (43, 1662360), (56, 1276455), (60, 1191358), (70, 1021164), (84, 850970), (86, 831180), (105, 680776), (120, 595679), (129, 554120), (140, 510582), (168, 425485), (172, 415590), (210, 340388), (215, 332472), (258, 277060), (280, 255291), (301, 237480), (344, 207795), (420, 170194), (430, 166236), (516, 138530), (602, 118740), (645, 110824), (840, 85097), (860, 83118), (903, 79160), (1032, 69265), (1204, 59370), (1290, 55412), (1505, 47496), (1720, 41559), (1806, 39580), (1979, 36120), (2408, 29685), (2580, 27706), (3010, 23748), (3612, 19790), (3958, 18060), (4515, 15832), (5160, 13853), (5937, 12040), (6020, 11874), (7224, 9895), (7916, 9030)]