306178740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{242999}}^1$

素因数の和:243021

約数の個数: 72

約数和(自身を含む): 1061424000

約数和(自身を除く): 755245260

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, 242999, 485998, 728997, 971996, 1214995, 1457994, 1700993, 2186991, 2429990, 2915988, 3401986, 3644985, 4373982, 4859980, 5102979, 6803972, 7289970, 8504965, 8747964, 10205958, 10934955, 14579940, 15308937, 17009930, 20411916, 21869910, 25514895, 30617874, 34019860, 43739820, 51029790, 61235748, 76544685, 102059580, 153089370, 306178740]

約数ペア:

[(1, 306178740), (2, 153089370), (3, 102059580), (4, 76544685), (5, 61235748), (6, 51029790), (7, 43739820), (9, 34019860), (10, 30617874), (12, 25514895), (14, 21869910), (15, 20411916), (18, 17009930), (20, 15308937), (21, 14579940), (28, 10934955), (30, 10205958), (35, 8747964), (36, 8504965), (42, 7289970), (45, 6803972), (60, 5102979), (63, 4859980), (70, 4373982), (84, 3644985), (90, 3401986), (105, 2915988), (126, 2429990), (140, 2186991), (180, 1700993), (210, 1457994), (252, 1214995), (315, 971996), (420, 728997), (630, 485998), (1260, 242999)]