779940

素因数分解:

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

素因数の和:641

約数の個数: 72

約数和(自身を含む): 2708160

約数和(自身を除く): 1928220

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, 315, 420, 619, 630, 1238, 1260, 1857, 2476, 3095, 3714, 4333, 5571, 6190, 7428, 8666, 9285, 11142, 12380, 12999, 17332, 18570, 21665, 22284, 25998, 27855, 37140, 38997, 43330, 51996, 55710, 64995, 77994, 86660, 111420, 129990, 155988, 194985, 259980, 389970, 779940]

約数ペア:

[(1, 779940), (2, 389970), (3, 259980), (4, 194985), (5, 155988), (6, 129990), (7, 111420), (9, 86660), (10, 77994), (12, 64995), (14, 55710), (15, 51996), (18, 43330), (20, 38997), (21, 37140), (28, 27855), (30, 25998), (35, 22284), (36, 21665), (42, 18570), (45, 17332), (60, 12999), (63, 12380), (70, 11142), (84, 9285), (90, 8666), (105, 7428), (126, 6190), (140, 5571), (180, 4333), (210, 3714), (252, 3095), (315, 2476), (420, 1857), (619, 1260), (630, 1238)]