123721120

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5563}}^1$

素因数の和:5717

約数の個数: 48

約数和(自身を含む): 294446880

約数和(自身を除く): 170725760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 5563, 11120, 11126, 22240, 22252, 27815, 44504, 55630, 89008, 111260, 178016, 222520, 445040, 773257, 890080, 1546514, 3093028, 3866285, 6186056, 7732570, 12372112, 15465140, 24744224, 30930280, 61860560, 123721120]

約数ペア:

[(1, 123721120), (2, 61860560), (4, 30930280), (5, 24744224), (8, 15465140), (10, 12372112), (16, 7732570), (20, 6186056), (32, 3866285), (40, 3093028), (80, 1546514), (139, 890080), (160, 773257), (278, 445040), (556, 222520), (695, 178016), (1112, 111260), (1390, 89008), (2224, 55630), (2780, 44504), (4448, 27815), (5560, 22252), (5563, 22240), (11120, 11126)]