2240840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 5909760

約数和(自身を除く): 3668920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 151, 212, 265, 280, 302, 371, 424, 530, 604, 742, 755, 1057, 1060, 1208, 1484, 1510, 1855, 2114, 2120, 2968, 3020, 3710, 4228, 5285, 6040, 7420, 8003, 8456, 10570, 14840, 16006, 21140, 32012, 40015, 42280, 56021, 64024, 80030, 112042, 160060, 224084, 280105, 320120, 448168, 560210, 1120420, 2240840]

約数ペア:

[(1, 2240840), (2, 1120420), (4, 560210), (5, 448168), (7, 320120), (8, 280105), (10, 224084), (14, 160060), (20, 112042), (28, 80030), (35, 64024), (40, 56021), (53, 42280), (56, 40015), (70, 32012), (106, 21140), (140, 16006), (151, 14840), (212, 10570), (265, 8456), (280, 8003), (302, 7420), (371, 6040), (424, 5285), (530, 4228), (604, 3710), (742, 3020), (755, 2968), (1057, 2120), (1060, 2114), (1208, 1855), (1484, 1510)]