15698664440

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1\times {\mathrm{2087}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 35503349760

約数和(自身を除く): 19804685320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 491, 766, 982, 1532, 1915, 1964, 2087, 2455, 3064, 3830, 3928, 4174, 4910, 7660, 8348, 9820, 10435, 15320, 16696, 19640, 20870, 41740, 83480, 188053, 376106, 752212, 799321, 940265, 1024717, 1504424, 1598642, 1880530, 2049434, 3197284, 3761060, 3996605, 4098868, 5123585, 6394568, 7522120, 7993210, 8197736, 10247170, 15986420, 20494340, 31972840, 40988680, 392466611, 784933222, 1569866444, 1962333055, 3139732888, 3924666110, 7849332220, 15698664440]

約数ペア:

[(1, 15698664440), (2, 7849332220), (4, 3924666110), (5, 3139732888), (8, 1962333055), (10, 1569866444), (20, 784933222), (40, 392466611), (383, 40988680), (491, 31972840), (766, 20494340), (982, 15986420), (1532, 10247170), (1915, 8197736), (1964, 7993210), (2087, 7522120), (2455, 6394568), (3064, 5123585), (3830, 4098868), (3928, 3996605), (4174, 3761060), (4910, 3197284), (7660, 2049434), (8348, 1880530), (9820, 1598642), (10435, 1504424), (15320, 1024717), (16696, 940265), (19640, 799321), (20870, 752212), (41740, 376106), (83480, 188053)]