7927640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 13361320

約数列:

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

約数ペア:

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