15622240

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 37149840

約数和(自身を除く): 21527600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 389, 502, 778, 1004, 1255, 1556, 1945, 2008, 2510, 3112, 3890, 4016, 5020, 6224, 7780, 8032, 10040, 12448, 15560, 20080, 31120, 40160, 62240, 97639, 195278, 390556, 488195, 781112, 976390, 1562224, 1952780, 3124448, 3905560, 7811120, 15622240]

約数ペア:

[(1, 15622240), (2, 7811120), (4, 3905560), (5, 3124448), (8, 1952780), (10, 1562224), (16, 976390), (20, 781112), (32, 488195), (40, 390556), (80, 195278), (160, 97639), (251, 62240), (389, 40160), (502, 31120), (778, 20080), (1004, 15560), (1255, 12448), (1556, 10040), (1945, 8032), (2008, 7780), (2510, 6224), (3112, 5020), (3890, 4016)]