1505240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{311}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 3734640

約数和(自身を除く): 2229400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 311, 440, 484, 605, 622, 968, 1210, 1244, 1555, 2420, 2488, 3110, 3421, 4840, 6220, 6842, 12440, 13684, 17105, 27368, 34210, 37631, 68420, 75262, 136840, 150524, 188155, 301048, 376310, 752620, 1505240]

約数ペア:

[(1, 1505240), (2, 752620), (4, 376310), (5, 301048), (8, 188155), (10, 150524), (11, 136840), (20, 75262), (22, 68420), (40, 37631), (44, 34210), (55, 27368), (88, 17105), (110, 13684), (121, 12440), (220, 6842), (242, 6220), (311, 4840), (440, 3421), (484, 3110), (605, 2488), (622, 2420), (968, 1555), (1210, 1244)]