2729790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{619}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 8269560

約数和(自身を除く): 5539770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 619, 630, 735, 882, 1238, 1470, 1857, 2205, 3095, 3714, 4333, 4410, 5571, 6190, 8666, 9285, 11142, 12999, 18570, 21665, 25998, 27855, 30331, 38997, 43330, 55710, 60662, 64995, 77994, 90993, 129990, 151655, 181986, 194985, 272979, 303310, 389970, 454965, 545958, 909930, 1364895, 2729790]

約数ペア:

[(1, 2729790), (2, 1364895), (3, 909930), (5, 545958), (6, 454965), (7, 389970), (9, 303310), (10, 272979), (14, 194985), (15, 181986), (18, 151655), (21, 129990), (30, 90993), (35, 77994), (42, 64995), (45, 60662), (49, 55710), (63, 43330), (70, 38997), (90, 30331), (98, 27855), (105, 25998), (126, 21665), (147, 18570), (210, 12999), (245, 11142), (294, 9285), (315, 8666), (441, 6190), (490, 5571), (619, 4410), (630, 4333), (735, 3714), (882, 3095), (1238, 2205), (1470, 1857)]