66405540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1987}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 186363072

約数和(自身を除く): 119957532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 1114, 1671, 1987, 2228, 2785, 3342, 3974, 5570, 5961, 6684, 7948, 8355, 9935, 11140, 11922, 16710, 19870, 23844, 29805, 33420, 39740, 59610, 119220, 1106759, 2213518, 3320277, 4427036, 5533795, 6640554, 11067590, 13281108, 16601385, 22135180, 33202770, 66405540]

約数ペア:

[(1, 66405540), (2, 33202770), (3, 22135180), (4, 16601385), (5, 13281108), (6, 11067590), (10, 6640554), (12, 5533795), (15, 4427036), (20, 3320277), (30, 2213518), (60, 1106759), (557, 119220), (1114, 59610), (1671, 39740), (1987, 33420), (2228, 29805), (2785, 23844), (3342, 19870), (3974, 16710), (5570, 11922), (5961, 11140), (6684, 9935), (7948, 8355)]