15855280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 43997184

約数和(自身を除く): 28141904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1231, 1288, 1610, 1840, 2462, 2576, 3220, 4924, 6155, 6440, 8617, 9848, 12310, 12880, 17234, 19696, 24620, 28313, 34468, 43085, 49240, 56626, 68936, 86170, 98480, 113252, 137872, 141565, 172340, 198191, 226504, 283130, 344680, 396382, 453008, 566260, 689360, 792764, 990955, 1132520, 1585528, 1981910, 2265040, 3171056, 3963820, 7927640, 15855280]

約数ペア:

[(1, 15855280), (2, 7927640), (4, 3963820), (5, 3171056), (7, 2265040), (8, 1981910), (10, 1585528), (14, 1132520), (16, 990955), (20, 792764), (23, 689360), (28, 566260), (35, 453008), (40, 396382), (46, 344680), (56, 283130), (70, 226504), (80, 198191), (92, 172340), (112, 141565), (115, 137872), (140, 113252), (161, 98480), (184, 86170), (230, 68936), (280, 56626), (322, 49240), (368, 43085), (460, 34468), (560, 28313), (644, 24620), (805, 19696), (920, 17234), (1231, 12880), (1288, 12310), (1610, 9848), (1840, 8617), (2462, 6440), (2576, 6155), (3220, 4924)]