259730280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{240491}}^1$

素因数の和:240511

約数の個数: 64

約数和(自身を含む): 865771200

約数和(自身を除く): 606040920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 240491, 480982, 721473, 961964, 1202455, 1442946, 1923928, 2164419, 2404910, 2885892, 3607365, 4328838, 4809820, 5771784, 6493257, 7214730, 8657676, 9619640, 10822095, 12986514, 14429460, 17315352, 21644190, 25973028, 28858920, 32466285, 43288380, 51946056, 64932570, 86576760, 129865140, 259730280]

約数ペア:

[(1, 259730280), (2, 129865140), (3, 86576760), (4, 64932570), (5, 51946056), (6, 43288380), (8, 32466285), (9, 28858920), (10, 25973028), (12, 21644190), (15, 17315352), (18, 14429460), (20, 12986514), (24, 10822095), (27, 9619640), (30, 8657676), (36, 7214730), (40, 6493257), (45, 5771784), (54, 4809820), (60, 4328838), (72, 3607365), (90, 2885892), (108, 2404910), (120, 2164419), (135, 1923928), (180, 1442946), (216, 1202455), (270, 961964), (360, 721473), (540, 480982), (1080, 240491)]