2420775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 5222880

約数和(自身を除く): 2802105

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 53, 63, 75, 87, 105, 145, 159, 175, 203, 225, 261, 265, 315, 371, 435, 477, 525, 609, 725, 795, 1015, 1113, 1305, 1325, 1537, 1575, 1827, 1855, 2175, 2385, 3045, 3339, 3975, 4611, 5075, 5565, 6525, 7685, 9135, 9275, 10759, 11925, 13833, 15225, 16695, 23055, 27825, 32277, 38425, 45675, 53795, 69165, 83475, 96831, 115275, 161385, 268975, 345825, 484155, 806925, 2420775]

約数ペア:

[(1, 2420775), (3, 806925), (5, 484155), (7, 345825), (9, 268975), (15, 161385), (21, 115275), (25, 96831), (29, 83475), (35, 69165), (45, 53795), (53, 45675), (63, 38425), (75, 32277), (87, 27825), (105, 23055), (145, 16695), (159, 15225), (175, 13833), (203, 11925), (225, 10759), (261, 9275), (265, 9135), (315, 7685), (371, 6525), (435, 5565), (477, 5075), (525, 4611), (609, 3975), (725, 3339), (795, 3045), (1015, 2385), (1113, 2175), (1305, 1855), (1325, 1827), (1537, 1575)]