2770020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 9172800

約数和(自身を除く): 6402780

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, 1399, 1980, 2798, 4197, 5596, 6995, 8394, 12591, 13990, 15389, 16788, 20985, 25182, 27980, 30778, 41970, 46167, 50364, 61556, 62955, 76945, 83940, 92334, 125910, 138501, 153890, 184668, 230835, 251820, 277002, 307780, 461670, 554004, 692505, 923340, 1385010, 2770020]

約数ペア:

[(1, 2770020), (2, 1385010), (3, 923340), (4, 692505), (5, 554004), (6, 461670), (9, 307780), (10, 277002), (11, 251820), (12, 230835), (15, 184668), (18, 153890), (20, 138501), (22, 125910), (30, 92334), (33, 83940), (36, 76945), (44, 62955), (45, 61556), (55, 50364), (60, 46167), (66, 41970), (90, 30778), (99, 27980), (110, 25182), (132, 20985), (165, 16788), (180, 15389), (198, 13990), (220, 12591), (330, 8394), (396, 6995), (495, 5596), (660, 4197), (990, 2798), (1399, 1980)]