28607220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1543}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 87674496

約数和(自身を除く): 59067276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1543, 1545, 1854, 2060, 3086, 3090, 3708, 4629, 4635, 6172, 6180, 7715, 9258, 9270, 13887, 15430, 18516, 18540, 23145, 27774, 30860, 46290, 55548, 69435, 92580, 138870, 158929, 277740, 317858, 476787, 635716, 794645, 953574, 1430361, 1589290, 1907148, 2383935, 2860722, 3178580, 4767870, 5721444, 7151805, 9535740, 14303610, 28607220]

約数ペア:

[(1, 28607220), (2, 14303610), (3, 9535740), (4, 7151805), (5, 5721444), (6, 4767870), (9, 3178580), (10, 2860722), (12, 2383935), (15, 1907148), (18, 1589290), (20, 1430361), (30, 953574), (36, 794645), (45, 635716), (60, 476787), (90, 317858), (103, 277740), (180, 158929), (206, 138870), (309, 92580), (412, 69435), (515, 55548), (618, 46290), (927, 30860), (1030, 27774), (1236, 23145), (1543, 18540), (1545, 18516), (1854, 15430), (2060, 13887), (3086, 9270), (3090, 9258), (3708, 7715), (4629, 6180), (4635, 6172)]