2751420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6551}}^1$

素因数の和:6570

約数の個数: 48

約数和(自身を含む): 8805888

約数和(自身を除く): 6054468

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, 6551, 13102, 19653, 26204, 32755, 39306, 45857, 65510, 78612, 91714, 98265, 131020, 137571, 183428, 196530, 229285, 275142, 393060, 458570, 550284, 687855, 917140, 1375710, 2751420]

約数ペア:

[(1, 2751420), (2, 1375710), (3, 917140), (4, 687855), (5, 550284), (6, 458570), (7, 393060), (10, 275142), (12, 229285), (14, 196530), (15, 183428), (20, 137571), (21, 131020), (28, 98265), (30, 91714), (35, 78612), (42, 65510), (60, 45857), (70, 39306), (84, 32755), (105, 26204), (140, 19653), (210, 13102), (420, 6551)]