2039940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 7076160

約数和(自身を除く): 5036220

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, 630, 1260, 1619, 3238, 4857, 6476, 8095, 9714, 11333, 14571, 16190, 19428, 22666, 24285, 29142, 32380, 33999, 45332, 48570, 56665, 58284, 67998, 72855, 97140, 101997, 113330, 135996, 145710, 169995, 203994, 226660, 291420, 339990, 407988, 509985, 679980, 1019970, 2039940]

約数ペア:

[(1, 2039940), (2, 1019970), (3, 679980), (4, 509985), (5, 407988), (6, 339990), (7, 291420), (9, 226660), (10, 203994), (12, 169995), (14, 145710), (15, 135996), (18, 113330), (20, 101997), (21, 97140), (28, 72855), (30, 67998), (35, 58284), (36, 56665), (42, 48570), (45, 45332), (60, 33999), (63, 32380), (70, 29142), (84, 24285), (90, 22666), (105, 19428), (126, 16190), (140, 14571), (180, 11333), (210, 9714), (252, 8095), (315, 6476), (420, 4857), (630, 3238), (1260, 1619)]