7672840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 20073600

約数和(自身を除く): 12400760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 409, 469, 536, 670, 818, 938, 1340, 1636, 1876, 2045, 2345, 2680, 2863, 3272, 3752, 4090, 4690, 5726, 8180, 9380, 11452, 14315, 16360, 18760, 22904, 27403, 28630, 54806, 57260, 109612, 114520, 137015, 191821, 219224, 274030, 383642, 548060, 767284, 959105, 1096120, 1534568, 1918210, 3836420, 7672840]

約数ペア:

[(1, 7672840), (2, 3836420), (4, 1918210), (5, 1534568), (7, 1096120), (8, 959105), (10, 767284), (14, 548060), (20, 383642), (28, 274030), (35, 219224), (40, 191821), (56, 137015), (67, 114520), (70, 109612), (134, 57260), (140, 54806), (268, 28630), (280, 27403), (335, 22904), (409, 18760), (469, 16360), (536, 14315), (670, 11452), (818, 9380), (938, 8180), (1340, 5726), (1636, 4690), (1876, 4090), (2045, 3752), (2345, 3272), (2680, 2863)]