28776660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 89510400

約数和(自身を除く): 60733740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 59, 60, 66, 110, 118, 132, 165, 177, 220, 236, 295, 330, 354, 590, 649, 660, 708, 739, 885, 1180, 1298, 1478, 1770, 1947, 2217, 2596, 2956, 3245, 3540, 3695, 3894, 4434, 6490, 7390, 7788, 8129, 8868, 9735, 11085, 12980, 14780, 16258, 19470, 22170, 24387, 32516, 38940, 40645, 43601, 44340, 48774, 81290, 87202, 97548, 121935, 130803, 162580, 174404, 218005, 243870, 261606, 436010, 479611, 487740, 523212, 654015, 872020, 959222, 1308030, 1438833, 1918444, 2398055, 2616060, 2877666, 4796110, 5755332, 7194165, 9592220, 14388330, 28776660]

約数ペア:

[(1, 28776660), (2, 14388330), (3, 9592220), (4, 7194165), (5, 5755332), (6, 4796110), (10, 2877666), (11, 2616060), (12, 2398055), (15, 1918444), (20, 1438833), (22, 1308030), (30, 959222), (33, 872020), (44, 654015), (55, 523212), (59, 487740), (60, 479611), (66, 436010), (110, 261606), (118, 243870), (132, 218005), (165, 174404), (177, 162580), (220, 130803), (236, 121935), (295, 97548), (330, 87202), (354, 81290), (590, 48774), (649, 44340), (660, 43601), (708, 40645), (739, 38940), (885, 32516), (1180, 24387), (1298, 22170), (1478, 19470), (1770, 16258), (1947, 14780), (2217, 12980), (2596, 11085), (2956, 9735), (3245, 8868), (3540, 8129), (3695, 7788), (3894, 7390), (4434, 6490)]