71585220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170441}}^1$

素因数の和:170460

約数の個数: 48

約数和(自身を含む): 229074048

約数和(自身を除く): 157488828

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, 170441, 340882, 511323, 681764, 852205, 1022646, 1193087, 1704410, 2045292, 2386174, 2556615, 3408820, 3579261, 4772348, 5113230, 5965435, 7158522, 10226460, 11930870, 14317044, 17896305, 23861740, 35792610, 71585220]

約数ペア:

[(1, 71585220), (2, 35792610), (3, 23861740), (4, 17896305), (5, 14317044), (6, 11930870), (7, 10226460), (10, 7158522), (12, 5965435), (14, 5113230), (15, 4772348), (20, 3579261), (21, 3408820), (28, 2556615), (30, 2386174), (35, 2045292), (42, 1704410), (60, 1193087), (70, 1022646), (84, 852205), (105, 681764), (140, 511323), (210, 340882), (420, 170441)]