1865820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 5764752

約数和(自身を除く): 3898932

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 257, 330, 363, 484, 514, 605, 660, 726, 771, 1028, 1210, 1285, 1452, 1542, 1815, 2420, 2570, 2827, 3084, 3630, 3855, 5140, 5654, 7260, 7710, 8481, 11308, 14135, 15420, 16962, 28270, 31097, 33924, 42405, 56540, 62194, 84810, 93291, 124388, 155485, 169620, 186582, 310970, 373164, 466455, 621940, 932910, 1865820]

約数ペア:

[(1, 1865820), (2, 932910), (3, 621940), (4, 466455), (5, 373164), (6, 310970), (10, 186582), (11, 169620), (12, 155485), (15, 124388), (20, 93291), (22, 84810), (30, 62194), (33, 56540), (44, 42405), (55, 33924), (60, 31097), (66, 28270), (110, 16962), (121, 15420), (132, 14135), (165, 11308), (220, 8481), (242, 7710), (257, 7260), (330, 5654), (363, 5140), (484, 3855), (514, 3630), (605, 3084), (660, 2827), (726, 2570), (771, 2420), (1028, 1815), (1210, 1542), (1285, 1452)]