28907760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17207}}^1$

素因数の和:17230

約数の個数: 80

約数和(自身を含む): 102422016

約数和(自身を除く): 73514256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 17207, 34414, 51621, 68828, 86035, 103242, 120449, 137656, 172070, 206484, 240898, 258105, 275312, 344140, 361347, 412968, 481796, 516210, 602245, 688280, 722694, 825936, 963592, 1032420, 1204490, 1376560, 1445388, 1806735, 1927184, 2064840, 2408980, 2890776, 3613470, 4129680, 4817960, 5781552, 7226940, 9635920, 14453880, 28907760]

約数ペア:

[(1, 28907760), (2, 14453880), (3, 9635920), (4, 7226940), (5, 5781552), (6, 4817960), (7, 4129680), (8, 3613470), (10, 2890776), (12, 2408980), (14, 2064840), (15, 1927184), (16, 1806735), (20, 1445388), (21, 1376560), (24, 1204490), (28, 1032420), (30, 963592), (35, 825936), (40, 722694), (42, 688280), (48, 602245), (56, 516210), (60, 481796), (70, 412968), (80, 361347), (84, 344140), (105, 275312), (112, 258105), (120, 240898), (140, 206484), (168, 172070), (210, 137656), (240, 120449), (280, 103242), (336, 86035), (420, 68828), (560, 51621), (840, 34414), (1680, 17207)]