257299860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2801}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 721167552

約数和(自身を除く): 463867692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1531, 2801, 3062, 4593, 5602, 6124, 7655, 8403, 9186, 11204, 14005, 15310, 16806, 18372, 22965, 28010, 30620, 33612, 42015, 45930, 56020, 84030, 91860, 168060, 4288331, 8576662, 12864993, 17153324, 21441655, 25729986, 42883310, 51459972, 64324965, 85766620, 128649930, 257299860]

約数ペア:

[(1, 257299860), (2, 128649930), (3, 85766620), (4, 64324965), (5, 51459972), (6, 42883310), (10, 25729986), (12, 21441655), (15, 17153324), (20, 12864993), (30, 8576662), (60, 4288331), (1531, 168060), (2801, 91860), (3062, 84030), (4593, 56020), (5602, 45930), (6124, 42015), (7655, 33612), (8403, 30620), (9186, 28010), (11204, 22965), (14005, 18372), (15310, 16806)]