8563380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20389}}^1$

素因数の和:20408

約数の個数: 48

約数和(自身を含む): 27404160

約数和(自身を除く): 18840780

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, 20389, 40778, 61167, 81556, 101945, 122334, 142723, 203890, 244668, 285446, 305835, 407780, 428169, 570892, 611670, 713615, 856338, 1223340, 1427230, 1712676, 2140845, 2854460, 4281690, 8563380]

約数ペア:

[(1, 8563380), (2, 4281690), (3, 2854460), (4, 2140845), (5, 1712676), (6, 1427230), (7, 1223340), (10, 856338), (12, 713615), (14, 611670), (15, 570892), (20, 428169), (21, 407780), (28, 305835), (30, 285446), (35, 244668), (42, 203890), (60, 142723), (70, 122334), (84, 101945), (105, 81556), (140, 61167), (210, 40778), (420, 20389)]