80726800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2621}}^1$

素因数の和:2657

約数の個数: 120

約数和(自身を含む): 241895232

約数和(自身を除く): 161168432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 1100, 1232, 1400, 1540, 1925, 2200, 2621, 2800, 3080, 3850, 4400, 5242, 6160, 7700, 10484, 13105, 15400, 18347, 20968, 26210, 28831, 30800, 36694, 41936, 52420, 57662, 65525, 73388, 91735, 104840, 115324, 131050, 144155, 146776, 183470, 201817, 209680, 230648, 262100, 288310, 293552, 366940, 403634, 458675, 461296, 524200, 576620, 720775, 733880, 807268, 917350, 1009085, 1048400, 1153240, 1441550, 1467760, 1614536, 1834700, 2018170, 2306480, 2883100, 3229072, 3669400, 4036340, 5045425, 5766200, 7338800, 8072680, 10090850, 11532400, 16145360, 20181700, 40363400, 80726800]

約数ペア:

[(1, 80726800), (2, 40363400), (4, 20181700), (5, 16145360), (7, 11532400), (8, 10090850), (10, 8072680), (11, 7338800), (14, 5766200), (16, 5045425), (20, 4036340), (22, 3669400), (25, 3229072), (28, 2883100), (35, 2306480), (40, 2018170), (44, 1834700), (50, 1614536), (55, 1467760), (56, 1441550), (70, 1153240), (77, 1048400), (80, 1009085), (88, 917350), (100, 807268), (110, 733880), (112, 720775), (140, 576620), (154, 524200), (175, 461296), (176, 458675), (200, 403634), (220, 366940), (275, 293552), (280, 288310), (308, 262100), (350, 230648), (385, 209680), (400, 201817), (440, 183470), (550, 146776), (560, 144155), (616, 131050), (700, 115324), (770, 104840), (880, 91735), (1100, 73388), (1232, 65525), (1400, 57662), (1540, 52420), (1925, 41936), (2200, 36694), (2621, 30800), (2800, 28831), (3080, 26210), (3850, 20968), (4400, 18347), (5242, 15400), (6160, 13105), (7700, 10484)]