323820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 1126944

約数和(自身を除く): 803124

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, 252, 257, 315, 420, 514, 630, 771, 1028, 1260, 1285, 1542, 1799, 2313, 2570, 3084, 3598, 3855, 4626, 5140, 5397, 7196, 7710, 8995, 9252, 10794, 11565, 15420, 16191, 17990, 21588, 23130, 26985, 32382, 35980, 46260, 53970, 64764, 80955, 107940, 161910, 323820]

約数ペア:

[(1, 323820), (2, 161910), (3, 107940), (4, 80955), (5, 64764), (6, 53970), (7, 46260), (9, 35980), (10, 32382), (12, 26985), (14, 23130), (15, 21588), (18, 17990), (20, 16191), (21, 15420), (28, 11565), (30, 10794), (35, 9252), (36, 8995), (42, 7710), (45, 7196), (60, 5397), (63, 5140), (70, 4626), (84, 3855), (90, 3598), (105, 3084), (126, 2570), (140, 2313), (180, 1799), (210, 1542), (252, 1285), (257, 1260), (315, 1028), (420, 771), (514, 630)]