209415120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872563}}^1$

素因数の和:872579

約数の個数: 40

約数和(自身を含む): 649187616

約数和(自身を除く): 439772496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872563, 1745126, 2617689, 3490252, 4362815, 5235378, 6980504, 8725630, 10470756, 13088445, 13961008, 17451260, 20941512, 26176890, 34902520, 41883024, 52353780, 69805040, 104707560, 209415120]

約数ペア:

[(1, 209415120), (2, 104707560), (3, 69805040), (4, 52353780), (5, 41883024), (6, 34902520), (8, 26176890), (10, 20941512), (12, 17451260), (15, 13961008), (16, 13088445), (20, 10470756), (24, 8725630), (30, 6980504), (40, 5235378), (48, 4362815), (60, 3490252), (80, 2617689), (120, 1745126), (240, 872563)]