42660520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1009}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 110534400

約数和(自身を除く): 67873880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1009, 1057, 1208, 1510, 2018, 2114, 3020, 4036, 4228, 5045, 5285, 6040, 7063, 8072, 8456, 10090, 10570, 14126, 20180, 21140, 28252, 35315, 40360, 42280, 56504, 70630, 141260, 152359, 282520, 304718, 609436, 761795, 1066513, 1218872, 1523590, 2133026, 3047180, 4266052, 5332565, 6094360, 8532104, 10665130, 21330260, 42660520]

約数ペア:

[(1, 42660520), (2, 21330260), (4, 10665130), (5, 8532104), (7, 6094360), (8, 5332565), (10, 4266052), (14, 3047180), (20, 2133026), (28, 1523590), (35, 1218872), (40, 1066513), (56, 761795), (70, 609436), (140, 304718), (151, 282520), (280, 152359), (302, 141260), (604, 70630), (755, 56504), (1009, 42280), (1057, 40360), (1208, 35315), (1510, 28252), (2018, 21140), (2114, 20180), (3020, 14126), (4036, 10570), (4228, 10090), (5045, 8456), (5285, 8072), (6040, 7063)]