81131856

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5653}}^1$

素因数の和:5700

約数の個数: 80

約数和(自身を含む): 235568256

約数和(自身を除く): 154436400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 5653, 7176, 11306, 14352, 16959, 22612, 33918, 45224, 67836, 73489, 90448, 130019, 135672, 146978, 220467, 260038, 271344, 293956, 390057, 440934, 520076, 587912, 780114, 881868, 1040152, 1175824, 1560228, 1690247, 1763736, 2080304, 3120456, 3380494, 3527472, 5070741, 6240912, 6760988, 10141482, 13521976, 20282964, 27043952, 40565928, 81131856]

約数ペア:

[(1, 81131856), (2, 40565928), (3, 27043952), (4, 20282964), (6, 13521976), (8, 10141482), (12, 6760988), (13, 6240912), (16, 5070741), (23, 3527472), (24, 3380494), (26, 3120456), (39, 2080304), (46, 1763736), (48, 1690247), (52, 1560228), (69, 1175824), (78, 1040152), (92, 881868), (104, 780114), (138, 587912), (156, 520076), (184, 440934), (208, 390057), (276, 293956), (299, 271344), (312, 260038), (368, 220467), (552, 146978), (598, 135672), (624, 130019), (897, 90448), (1104, 73489), (1196, 67836), (1794, 45224), (2392, 33918), (3588, 22612), (4784, 16959), (5653, 14352), (7176, 11306)]