17968720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2917}}^1$

素因数の和:2948

約数の個数: 80

約数和(自身を含む): 52103808

約数和(自身を除く): 34135088

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2917, 3080, 5834, 6160, 11668, 14585, 20419, 23336, 29170, 32087, 40838, 46672, 58340, 64174, 81676, 102095, 116680, 128348, 160435, 163352, 204190, 224609, 233360, 256696, 320870, 326704, 408380, 449218, 513392, 641740, 816760, 898436, 1123045, 1283480, 1633520, 1796872, 2246090, 2566960, 3593744, 4492180, 8984360, 17968720]

約数ペア:

[(1, 17968720), (2, 8984360), (4, 4492180), (5, 3593744), (7, 2566960), (8, 2246090), (10, 1796872), (11, 1633520), (14, 1283480), (16, 1123045), (20, 898436), (22, 816760), (28, 641740), (35, 513392), (40, 449218), (44, 408380), (55, 326704), (56, 320870), (70, 256696), (77, 233360), (80, 224609), (88, 204190), (110, 163352), (112, 160435), (140, 128348), (154, 116680), (176, 102095), (220, 81676), (280, 64174), (308, 58340), (385, 46672), (440, 40838), (560, 32087), (616, 29170), (770, 23336), (880, 20419), (1232, 14585), (1540, 11668), (2917, 6160), (3080, 5834)]