280267740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1557043}}^1$

素因数の和:1557058

約数の個数: 36

約数和(自身を含む): 850146024

約数和(自身を除く): 569878284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1557043, 3114086, 4671129, 6228172, 7785215, 9342258, 14013387, 15570430, 18684516, 23355645, 28026774, 31140860, 46711290, 56053548, 70066935, 93422580, 140133870, 280267740]

約数ペア:

[(1, 280267740), (2, 140133870), (3, 93422580), (4, 70066935), (5, 56053548), (6, 46711290), (9, 31140860), (10, 28026774), (12, 23355645), (15, 18684516), (18, 15570430), (20, 14013387), (30, 9342258), (36, 7785215), (45, 6228172), (60, 4671129), (90, 3114086), (180, 1557043)]