61021380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{145289}}^1$

素因数の和:145308

約数の個数: 48

約数和(自身を含む): 195269760

約数和(自身を除く): 134248380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 145289, 290578, 435867, 581156, 726445, 871734, 1017023, 1452890, 1743468, 2034046, 2179335, 2905780, 3051069, 4068092, 4358670, 5085115, 6102138, 8717340, 10170230, 12204276, 15255345, 20340460, 30510690, 61021380]

約数ペア:

[(1, 61021380), (2, 30510690), (3, 20340460), (4, 15255345), (5, 12204276), (6, 10170230), (7, 8717340), (10, 6102138), (12, 5085115), (14, 4358670), (15, 4068092), (20, 3051069), (21, 2905780), (28, 2179335), (30, 2034046), (35, 1743468), (42, 1452890), (60, 1017023), (70, 871734), (84, 726445), (105, 581156), (140, 435867), (210, 290578), (420, 145289)]