2487760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 6382404

約数和(自身を除く): 3894644

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 257, 440, 484, 514, 605, 880, 968, 1028, 1210, 1285, 1936, 2056, 2420, 2570, 2827, 4112, 4840, 5140, 5654, 9680, 10280, 11308, 14135, 20560, 22616, 28270, 31097, 45232, 56540, 62194, 113080, 124388, 155485, 226160, 248776, 310970, 497552, 621940, 1243880, 2487760]

約数ペア:

[(1, 2487760), (2, 1243880), (4, 621940), (5, 497552), (8, 310970), (10, 248776), (11, 226160), (16, 155485), (20, 124388), (22, 113080), (40, 62194), (44, 56540), (55, 45232), (80, 31097), (88, 28270), (110, 22616), (121, 20560), (176, 14135), (220, 11308), (242, 10280), (257, 9680), (440, 5654), (484, 5140), (514, 4840), (605, 4112), (880, 2827), (968, 2570), (1028, 2420), (1210, 2056), (1285, 1936)]