161519220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{897329}}^1$

素因数の和:897344

約数の個数: 36

約数和(自身を含む): 489942180

約数和(自身を除く): 328422960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 897329, 1794658, 2691987, 3589316, 4486645, 5383974, 8075961, 8973290, 10767948, 13459935, 16151922, 17946580, 26919870, 32303844, 40379805, 53839740, 80759610, 161519220]

約数ペア:

[(1, 161519220), (2, 80759610), (3, 53839740), (4, 40379805), (5, 32303844), (6, 26919870), (9, 17946580), (10, 16151922), (12, 13459935), (15, 10767948), (18, 8973290), (20, 8075961), (30, 5383974), (36, 4486645), (45, 3589316), (60, 2691987), (90, 1794658), (180, 897329)]