81749880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5281}}^1$

素因数の和:5341

約数の個数: 96

約数和(自身を含む): 271917360

約数和(自身を除く): 190167480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 5281, 7740, 10562, 15480, 15843, 21124, 26405, 31686, 42248, 47529, 52810, 63372, 79215, 95058, 105620, 126744, 158430, 190116, 211240, 227083, 237645, 316860, 380232, 454166, 475290, 633720, 681249, 908332, 950580, 1135415, 1362498, 1816664, 1901160, 2043747, 2270830, 2724996, 3406245, 4087494, 4541660, 5449992, 6812490, 8174988, 9083320, 10218735, 13624980, 16349976, 20437470, 27249960, 40874940, 81749880]

約数ペア:

[(1, 81749880), (2, 40874940), (3, 27249960), (4, 20437470), (5, 16349976), (6, 13624980), (8, 10218735), (9, 9083320), (10, 8174988), (12, 6812490), (15, 5449992), (18, 4541660), (20, 4087494), (24, 3406245), (30, 2724996), (36, 2270830), (40, 2043747), (43, 1901160), (45, 1816664), (60, 1362498), (72, 1135415), (86, 950580), (90, 908332), (120, 681249), (129, 633720), (172, 475290), (180, 454166), (215, 380232), (258, 316860), (344, 237645), (360, 227083), (387, 211240), (430, 190116), (516, 158430), (645, 126744), (774, 105620), (860, 95058), (1032, 79215), (1290, 63372), (1548, 52810), (1720, 47529), (1935, 42248), (2580, 31686), (3096, 26405), (3870, 21124), (5160, 15843), (5281, 15480), (7740, 10562)]