15497680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1601}}^1$

素因数の和:1636

約数の個数: 60

約数和(自身を含む): 39630276

約数和(自身を除く): 24132596

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1601, 1936, 2420, 3202, 4840, 6404, 8005, 9680, 12808, 16010, 17611, 25616, 32020, 35222, 64040, 70444, 88055, 128080, 140888, 176110, 193721, 281776, 352220, 387442, 704440, 774884, 968605, 1408880, 1549768, 1937210, 3099536, 3874420, 7748840, 15497680]

約数ペア:

[(1, 15497680), (2, 7748840), (4, 3874420), (5, 3099536), (8, 1937210), (10, 1549768), (11, 1408880), (16, 968605), (20, 774884), (22, 704440), (40, 387442), (44, 352220), (55, 281776), (80, 193721), (88, 176110), (110, 140888), (121, 128080), (176, 88055), (220, 70444), (242, 64040), (440, 35222), (484, 32020), (605, 25616), (880, 17611), (968, 16010), (1210, 12808), (1601, 9680), (1936, 8005), (2420, 6404), (3202, 4840)]