1820280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 6842880

約数和(自身を除く): 5022600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 197, 210, 220, 231, 264, 280, 308, 330, 385, 394, 420, 440, 462, 591, 616, 660, 770, 788, 840, 924, 985, 1155, 1182, 1320, 1379, 1540, 1576, 1848, 1970, 2167, 2310, 2364, 2758, 2955, 3080, 3940, 4137, 4334, 4620, 4728, 5516, 5910, 6501, 6895, 7880, 8274, 8668, 9240, 10835, 11032, 11820, 13002, 13790, 15169, 16548, 17336, 20685, 21670, 23640, 26004, 27580, 30338, 32505, 33096, 41370, 43340, 45507, 52008, 55160, 60676, 65010, 75845, 82740, 86680, 91014, 121352, 130020, 151690, 165480, 182028, 227535, 260040, 303380, 364056, 455070, 606760, 910140, 1820280]

約数ペア:

[(1, 1820280), (2, 910140), (3, 606760), (4, 455070), (5, 364056), (6, 303380), (7, 260040), (8, 227535), (10, 182028), (11, 165480), (12, 151690), (14, 130020), (15, 121352), (20, 91014), (21, 86680), (22, 82740), (24, 75845), (28, 65010), (30, 60676), (33, 55160), (35, 52008), (40, 45507), (42, 43340), (44, 41370), (55, 33096), (56, 32505), (60, 30338), (66, 27580), (70, 26004), (77, 23640), (84, 21670), (88, 20685), (105, 17336), (110, 16548), (120, 15169), (132, 13790), (140, 13002), (154, 11820), (165, 11032), (168, 10835), (197, 9240), (210, 8668), (220, 8274), (231, 7880), (264, 6895), (280, 6501), (308, 5910), (330, 5516), (385, 4728), (394, 4620), (420, 4334), (440, 4137), (462, 3940), (591, 3080), (616, 2955), (660, 2758), (770, 2364), (788, 2310), (840, 2167), (924, 1970), (985, 1848), (1155, 1576), (1182, 1540), (1320, 1379)]