1286677960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{37799}}^1$

素因数の和:37870

約数の個数: 64

約数和(自身を含む): 3102624000

約数和(自身を除く): 1815946040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 6808, 8510, 17020, 34040, 37799, 75598, 151196, 188995, 302392, 377990, 755980, 869377, 1398563, 1511960, 1738754, 2797126, 3477508, 4346885, 5594252, 6955016, 6992815, 8693770, 11188504, 13985630, 17387540, 27971260, 32166949, 34775080, 55942520, 64333898, 128667796, 160834745, 257335592, 321669490, 643338980, 1286677960]

約数ペア:

[(1, 1286677960), (2, 643338980), (4, 321669490), (5, 257335592), (8, 160834745), (10, 128667796), (20, 64333898), (23, 55942520), (37, 34775080), (40, 32166949), (46, 27971260), (74, 17387540), (92, 13985630), (115, 11188504), (148, 8693770), (184, 6992815), (185, 6955016), (230, 5594252), (296, 4346885), (370, 3477508), (460, 2797126), (740, 1738754), (851, 1511960), (920, 1398563), (1480, 869377), (1702, 755980), (3404, 377990), (4255, 302392), (6808, 188995), (8510, 151196), (17020, 75598), (34040, 37799)]