123209240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 349747200

約数和(自身を除く): 226537960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 109, 110, 140, 154, 218, 220, 280, 308, 367, 385, 436, 440, 545, 616, 734, 763, 770, 872, 1090, 1199, 1468, 1526, 1540, 1835, 2180, 2398, 2569, 2936, 3052, 3080, 3670, 3815, 4037, 4360, 4796, 5138, 5995, 6104, 7340, 7630, 8074, 8393, 9592, 10276, 11990, 12845, 14680, 15260, 16148, 16786, 20185, 20552, 23980, 25690, 28259, 30520, 32296, 33572, 40003, 40370, 41965, 47960, 51380, 56518, 67144, 80006, 80740, 83930, 102760, 113036, 141295, 160012, 161480, 167860, 200015, 226072, 280021, 282590, 320024, 335720, 400030, 440033, 560042, 565180, 800060, 880066, 1120084, 1130360, 1400105, 1600120, 1760132, 2200165, 2240168, 2800210, 3080231, 3520264, 4400330, 5600420, 6160462, 8800660, 11200840, 12320924, 15401155, 17601320, 24641848, 30802310, 61604620, 123209240]

約数ペア:

[(1, 123209240), (2, 61604620), (4, 30802310), (5, 24641848), (7, 17601320), (8, 15401155), (10, 12320924), (11, 11200840), (14, 8800660), (20, 6160462), (22, 5600420), (28, 4400330), (35, 3520264), (40, 3080231), (44, 2800210), (55, 2240168), (56, 2200165), (70, 1760132), (77, 1600120), (88, 1400105), (109, 1130360), (110, 1120084), (140, 880066), (154, 800060), (218, 565180), (220, 560042), (280, 440033), (308, 400030), (367, 335720), (385, 320024), (436, 282590), (440, 280021), (545, 226072), (616, 200015), (734, 167860), (763, 161480), (770, 160012), (872, 141295), (1090, 113036), (1199, 102760), (1468, 83930), (1526, 80740), (1540, 80006), (1835, 67144), (2180, 56518), (2398, 51380), (2569, 47960), (2936, 41965), (3052, 40370), (3080, 40003), (3670, 33572), (3815, 32296), (4037, 30520), (4360, 28259), (4796, 25690), (5138, 23980), (5995, 20552), (6104, 20185), (7340, 16786), (7630, 16148), (8074, 15260), (8393, 14680), (9592, 12845), (10276, 11990)]