265237840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20593}}^1$

素因数の和:20636

約数の個数: 80

約数和(自身を含む): 735452928

約数和(自身を除く): 470215088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 20593, 41186, 82372, 102965, 144151, 164744, 205930, 288302, 329488, 411860, 473639, 576604, 720755, 823720, 947278, 1153208, 1441510, 1647440, 1894556, 2306416, 2368195, 2883020, 3315473, 3789112, 4736390, 5766040, 6630946, 7578224, 9472780, 11532080, 13261892, 16577365, 18945560, 26523784, 33154730, 37891120, 53047568, 66309460, 132618920, 265237840]

約数ペア:

[(1, 265237840), (2, 132618920), (4, 66309460), (5, 53047568), (7, 37891120), (8, 33154730), (10, 26523784), (14, 18945560), (16, 16577365), (20, 13261892), (23, 11532080), (28, 9472780), (35, 7578224), (40, 6630946), (46, 5766040), (56, 4736390), (70, 3789112), (80, 3315473), (92, 2883020), (112, 2368195), (115, 2306416), (140, 1894556), (161, 1647440), (184, 1441510), (230, 1153208), (280, 947278), (322, 823720), (368, 720755), (460, 576604), (560, 473639), (644, 411860), (805, 329488), (920, 288302), (1288, 205930), (1610, 164744), (1840, 144151), (2576, 102965), (3220, 82372), (6440, 41186), (12880, 20593)]