171417780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22147}}^1$

素因数の和:22205

約数の個数: 72

約数和(自身を含む): 532083552

約数和(自身を除く): 360665772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 22147, 44294, 66441, 88588, 110735, 132882, 199323, 221470, 265764, 332205, 398646, 442940, 664410, 797292, 952321, 996615, 1328820, 1904642, 1993230, 2856963, 3809284, 3986460, 4761605, 5713926, 8570889, 9523210, 11427852, 14284815, 17141778, 19046420, 28569630, 34283556, 42854445, 57139260, 85708890, 171417780]

約数ペア:

[(1, 171417780), (2, 85708890), (3, 57139260), (4, 42854445), (5, 34283556), (6, 28569630), (9, 19046420), (10, 17141778), (12, 14284815), (15, 11427852), (18, 9523210), (20, 8570889), (30, 5713926), (36, 4761605), (43, 3986460), (45, 3809284), (60, 2856963), (86, 1993230), (90, 1904642), (129, 1328820), (172, 996615), (180, 952321), (215, 797292), (258, 664410), (387, 442940), (430, 398646), (516, 332205), (645, 265764), (774, 221470), (860, 199323), (1290, 132882), (1548, 110735), (1935, 88588), (2580, 66441), (3870, 44294), (7740, 22147)]