18584720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 54960768

約数和(自身を除く): 36376048

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 431, 440, 490, 539, 560, 616, 770, 784, 862, 880, 980, 1078, 1232, 1540, 1724, 1960, 2155, 2156, 2695, 3017, 3080, 3448, 3920, 4310, 4312, 4741, 5390, 6034, 6160, 6896, 8620, 8624, 9482, 10780, 12068, 15085, 17240, 18964, 21119, 21560, 23705, 24136, 30170, 33187, 34480, 37928, 42238, 43120, 47410, 48272, 60340, 66374, 75856, 84476, 94820, 105595, 120680, 132748, 165935, 168952, 189640, 211190, 232309, 241360, 265496, 331870, 337904, 379280, 422380, 464618, 530992, 663740, 844760, 929236, 1161545, 1327480, 1689520, 1858472, 2323090, 2654960, 3716944, 4646180, 9292360, 18584720]

約数ペア:

[(1, 18584720), (2, 9292360), (4, 4646180), (5, 3716944), (7, 2654960), (8, 2323090), (10, 1858472), (11, 1689520), (14, 1327480), (16, 1161545), (20, 929236), (22, 844760), (28, 663740), (35, 530992), (40, 464618), (44, 422380), (49, 379280), (55, 337904), (56, 331870), (70, 265496), (77, 241360), (80, 232309), (88, 211190), (98, 189640), (110, 168952), (112, 165935), (140, 132748), (154, 120680), (176, 105595), (196, 94820), (220, 84476), (245, 75856), (280, 66374), (308, 60340), (385, 48272), (392, 47410), (431, 43120), (440, 42238), (490, 37928), (539, 34480), (560, 33187), (616, 30170), (770, 24136), (784, 23705), (862, 21560), (880, 21119), (980, 18964), (1078, 17240), (1232, 15085), (1540, 12068), (1724, 10780), (1960, 9482), (2155, 8624), (2156, 8620), (2695, 6896), (3017, 6160), (3080, 6034), (3448, 5390), (3920, 4741), (4310, 4312)]