15663019780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{724469}}^1$

素因数の和:724548

約数の個数: 48

約数和(自身を含む): 35052756480

約数和(自身を除く): 19389736700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 724469, 1448938, 2897876, 3622345, 7244690, 14489380, 16662787, 33325574, 34050043, 66651148, 68100086, 83313935, 136200172, 166627870, 170250215, 333255740, 340500430, 681000860, 783150989, 1566301978, 3132603956, 3915754945, 7831509890, 15663019780]

約数ペア:

[(1, 15663019780), (2, 7831509890), (4, 3915754945), (5, 3132603956), (10, 1566301978), (20, 783150989), (23, 681000860), (46, 340500430), (47, 333255740), (92, 170250215), (94, 166627870), (115, 136200172), (188, 83313935), (230, 68100086), (235, 66651148), (460, 34050043), (470, 33325574), (940, 16662787), (1081, 14489380), (2162, 7244690), (4324, 3622345), (5405, 2897876), (10810, 1448938), (21620, 724469)]