15663949860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20081987}}^1$

素因数の和:20082012

約数の個数: 48

約数和(自身を含む): 47232835776

約数和(自身を除く): 31568885916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20081987, 40163974, 60245961, 80327948, 100409935, 120491922, 200819870, 240983844, 261065831, 301229805, 401639740, 522131662, 602459610, 783197493, 1044263324, 1204919220, 1305329155, 1566394986, 2610658310, 3132789972, 3915987465, 5221316620, 7831974930, 15663949860]

約数ペア:

[(1, 15663949860), (2, 7831974930), (3, 5221316620), (4, 3915987465), (5, 3132789972), (6, 2610658310), (10, 1566394986), (12, 1305329155), (13, 1204919220), (15, 1044263324), (20, 783197493), (26, 602459610), (30, 522131662), (39, 401639740), (52, 301229805), (60, 261065831), (65, 240983844), (78, 200819870), (130, 120491922), (156, 100409935), (195, 80327948), (260, 60245961), (390, 40163974), (780, 20081987)]