78415380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{435641}}^1$

素因数の和:435656

約数の個数: 36

約数和(自身を含む): 237860532

約数和(自身を除く): 159445152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 435641, 871282, 1306923, 1742564, 2178205, 2613846, 3920769, 4356410, 5227692, 6534615, 7841538, 8712820, 13069230, 15683076, 19603845, 26138460, 39207690, 78415380]

約数ペア:

[(1, 78415380), (2, 39207690), (3, 26138460), (4, 19603845), (5, 15683076), (6, 13069230), (9, 8712820), (10, 7841538), (12, 6534615), (15, 5227692), (18, 4356410), (20, 3920769), (30, 2613846), (36, 2178205), (45, 1742564), (60, 1306923), (90, 871282), (180, 435641)]