66778740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{52999}}^1$

素因数の和:53021

約数の個数: 72

約数和(自身を含む): 231504000

約数和(自身を除く): 164725260

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, 52999, 105998, 158997, 211996, 264995, 317994, 370993, 476991, 529990, 635988, 741986, 794985, 953982, 1059980, 1112979, 1483972, 1589970, 1854965, 1907964, 2225958, 2384955, 3179940, 3338937, 3709930, 4451916, 4769910, 5564895, 6677874, 7419860, 9539820, 11129790, 13355748, 16694685, 22259580, 33389370, 66778740]

約数ペア:

[(1, 66778740), (2, 33389370), (3, 22259580), (4, 16694685), (5, 13355748), (6, 11129790), (7, 9539820), (9, 7419860), (10, 6677874), (12, 5564895), (14, 4769910), (15, 4451916), (18, 3709930), (20, 3338937), (21, 3179940), (28, 2384955), (30, 2225958), (35, 1907964), (36, 1854965), (42, 1589970), (45, 1483972), (60, 1112979), (63, 1059980), (70, 953982), (84, 794985), (90, 741986), (105, 635988), (126, 529990), (140, 476991), (180, 370993), (210, 317994), (252, 264995), (315, 211996), (420, 158997), (630, 105998), (1260, 52999)]