279237780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1895

約数の個数: 120

約数和(自身を含む): 885508008

約数和(自身を除く): 606270228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 194, 270, 291, 324, 388, 405, 485, 540, 582, 810, 873, 970, 1164, 1455, 1620, 1746, 1777, 1940, 2619, 2910, 3492, 3554, 4365, 5238, 5331, 5820, 7108, 7857, 8730, 8885, 10476, 10662, 13095, 15714, 15993, 17460, 17770, 21324, 26190, 26655, 31428, 31986, 35540, 39285, 47979, 52380, 53310, 63972, 78570, 79965, 95958, 106620, 143937, 157140, 159930, 172369, 191916, 239895, 287874, 319860, 344738, 479790, 517107, 575748, 689476, 719685, 861845, 959580, 1034214, 1439370, 1551321, 1723690, 2068428, 2585535, 2878740, 3102642, 3447380, 4653963, 5171070, 6205284, 7756605, 9307926, 10342140, 13961889, 15513210, 18615852, 23269815, 27923778, 31026420, 46539630, 55847556, 69809445, 93079260, 139618890, 279237780]

約数ペア:

[(1, 279237780), (2, 139618890), (3, 93079260), (4, 69809445), (5, 55847556), (6, 46539630), (9, 31026420), (10, 27923778), (12, 23269815), (15, 18615852), (18, 15513210), (20, 13961889), (27, 10342140), (30, 9307926), (36, 7756605), (45, 6205284), (54, 5171070), (60, 4653963), (81, 3447380), (90, 3102642), (97, 2878740), (108, 2585535), (135, 2068428), (162, 1723690), (180, 1551321), (194, 1439370), (270, 1034214), (291, 959580), (324, 861845), (388, 719685), (405, 689476), (485, 575748), (540, 517107), (582, 479790), (810, 344738), (873, 319860), (970, 287874), (1164, 239895), (1455, 191916), (1620, 172369), (1746, 159930), (1777, 157140), (1940, 143937), (2619, 106620), (2910, 95958), (3492, 79965), (3554, 78570), (4365, 63972), (5238, 53310), (5331, 52380), (5820, 47979), (7108, 39285), (7857, 35540), (8730, 31986), (8885, 31428), (10476, 26655), (10662, 26190), (13095, 21324), (15714, 17770), (15993, 17460)]