2220680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 6402240

約数和(自身を除く): 4181560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 103, 110, 140, 154, 196, 206, 220, 245, 280, 308, 385, 392, 412, 440, 490, 515, 539, 616, 721, 770, 824, 980, 1030, 1078, 1133, 1442, 1540, 1960, 2060, 2156, 2266, 2695, 2884, 3080, 3605, 4120, 4312, 4532, 5047, 5390, 5665, 5768, 7210, 7931, 9064, 10094, 10780, 11330, 14420, 15862, 20188, 21560, 22660, 25235, 28840, 31724, 39655, 40376, 45320, 50470, 55517, 63448, 79310, 100940, 111034, 158620, 201880, 222068, 277585, 317240, 444136, 555170, 1110340, 2220680]

約数ペア:

[(1, 2220680), (2, 1110340), (4, 555170), (5, 444136), (7, 317240), (8, 277585), (10, 222068), (11, 201880), (14, 158620), (20, 111034), (22, 100940), (28, 79310), (35, 63448), (40, 55517), (44, 50470), (49, 45320), (55, 40376), (56, 39655), (70, 31724), (77, 28840), (88, 25235), (98, 22660), (103, 21560), (110, 20188), (140, 15862), (154, 14420), (196, 11330), (206, 10780), (220, 10094), (245, 9064), (280, 7931), (308, 7210), (385, 5768), (392, 5665), (412, 5390), (440, 5047), (490, 4532), (515, 4312), (539, 4120), (616, 3605), (721, 3080), (770, 2884), (824, 2695), (980, 2266), (1030, 2156), (1078, 2060), (1133, 1960), (1442, 1540)]