265860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 926016

約数和(自身を除く): 660156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 211, 252, 315, 420, 422, 630, 633, 844, 1055, 1260, 1266, 1477, 1899, 2110, 2532, 2954, 3165, 3798, 4220, 4431, 5908, 6330, 7385, 7596, 8862, 9495, 12660, 13293, 14770, 17724, 18990, 22155, 26586, 29540, 37980, 44310, 53172, 66465, 88620, 132930, 265860]

約数ペア:

[(1, 265860), (2, 132930), (3, 88620), (4, 66465), (5, 53172), (6, 44310), (7, 37980), (9, 29540), (10, 26586), (12, 22155), (14, 18990), (15, 17724), (18, 14770), (20, 13293), (21, 12660), (28, 9495), (30, 8862), (35, 7596), (36, 7385), (42, 6330), (45, 5908), (60, 4431), (63, 4220), (70, 3798), (84, 3165), (90, 2954), (105, 2532), (126, 2110), (140, 1899), (180, 1477), (210, 1266), (211, 1260), (252, 1055), (315, 844), (420, 633), (422, 630)]