81566460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151049}}^1$

素因数の和:151067

約数の個数: 48

約数和(自身を含む): 253764000

約数和(自身を除く): 172197540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151049, 302098, 453147, 604196, 755245, 906294, 1359441, 1510490, 1812588, 2265735, 2718882, 3020980, 4078323, 4531470, 5437764, 6797205, 8156646, 9062940, 13594410, 16313292, 20391615, 27188820, 40783230, 81566460]

約数ペア:

[(1, 81566460), (2, 40783230), (3, 27188820), (4, 20391615), (5, 16313292), (6, 13594410), (9, 9062940), (10, 8156646), (12, 6797205), (15, 5437764), (18, 4531470), (20, 4078323), (27, 3020980), (30, 2718882), (36, 2265735), (45, 1812588), (54, 1510490), (60, 1359441), (90, 906294), (108, 755245), (135, 604196), (180, 453147), (270, 302098), (540, 151049)]