80888940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40853}}^1$

素因数の和:40879

約数の個数: 72

約数和(自身を含む): 267675408

約数和(自身を除く): 186786468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 40853, 81706, 122559, 163412, 204265, 245118, 367677, 408530, 449383, 490236, 612795, 735354, 817060, 898766, 1225590, 1348149, 1470708, 1797532, 1838385, 2246915, 2451180, 2696298, 3676770, 4044447, 4493830, 5392596, 6740745, 7353540, 8088894, 8987660, 13481490, 16177788, 20222235, 26962980, 40444470, 80888940]

約数ペア:

[(1, 80888940), (2, 40444470), (3, 26962980), (4, 20222235), (5, 16177788), (6, 13481490), (9, 8987660), (10, 8088894), (11, 7353540), (12, 6740745), (15, 5392596), (18, 4493830), (20, 4044447), (22, 3676770), (30, 2696298), (33, 2451180), (36, 2246915), (44, 1838385), (45, 1797532), (55, 1470708), (60, 1348149), (66, 1225590), (90, 898766), (99, 817060), (110, 735354), (132, 612795), (165, 490236), (180, 449383), (198, 408530), (220, 367677), (330, 245118), (396, 204265), (495, 163412), (660, 122559), (990, 81706), (1980, 40853)]