68455120

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3181}}^1$

素因数の和:3463

約数の個数: 40

約数和(自身を含む): 159800040

約数和(自身を除く): 91344920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 3181, 4304, 5380, 6362, 10760, 12724, 15905, 21520, 25448, 31810, 50896, 63620, 127240, 254480, 855689, 1711378, 3422756, 4278445, 6845512, 8556890, 13691024, 17113780, 34227560, 68455120]

約数ペア:

[(1, 68455120), (2, 34227560), (4, 17113780), (5, 13691024), (8, 8556890), (10, 6845512), (16, 4278445), (20, 3422756), (40, 1711378), (80, 855689), (269, 254480), (538, 127240), (1076, 63620), (1345, 50896), (2152, 31810), (2690, 25448), (3181, 21520), (4304, 15905), (5380, 12724), (6362, 10760)]