67816420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21061}}^1$

素因数の和:21100

約数の個数: 48

約数和(自身を含む): 169843968

約数和(自身を除く): 102027548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 21061, 42122, 84244, 105305, 147427, 210610, 294854, 421220, 484403, 589708, 737135, 968806, 1474270, 1937612, 2422015, 2948540, 3390821, 4844030, 6781642, 9688060, 13563284, 16954105, 33908210, 67816420]

約数ペア:

[(1, 67816420), (2, 33908210), (4, 16954105), (5, 13563284), (7, 9688060), (10, 6781642), (14, 4844030), (20, 3390821), (23, 2948540), (28, 2422015), (35, 1937612), (46, 1474270), (70, 968806), (92, 737135), (115, 589708), (140, 484403), (161, 421220), (230, 294854), (322, 210610), (460, 147427), (644, 105305), (805, 84244), (1610, 42122), (3220, 21061)]