15178720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4993}}^1$

素因数の和:5027

約数の個数: 48

約数和(自身を含む): 37754640

約数和(自身を除く): 22575920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4993, 9986, 19972, 24965, 39944, 49930, 79888, 94867, 99860, 159776, 189734, 199720, 379468, 399440, 474335, 758936, 798880, 948670, 1517872, 1897340, 3035744, 3794680, 7589360, 15178720]

約数ペア:

[(1, 15178720), (2, 7589360), (4, 3794680), (5, 3035744), (8, 1897340), (10, 1517872), (16, 948670), (19, 798880), (20, 758936), (32, 474335), (38, 399440), (40, 379468), (76, 199720), (80, 189734), (95, 159776), (152, 99860), (160, 94867), (190, 79888), (304, 49930), (380, 39944), (608, 24965), (760, 19972), (1520, 9986), (3040, 4993)]