121438680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 400308480

約数和(自身を除く): 278869800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 197, 220, 264, 330, 394, 440, 467, 591, 660, 788, 934, 985, 1182, 1320, 1401, 1576, 1868, 1970, 2167, 2335, 2364, 2802, 2955, 3736, 3940, 4334, 4670, 4728, 5137, 5604, 5910, 6501, 7005, 7880, 8668, 9340, 10274, 10835, 11208, 11820, 13002, 14010, 15411, 17336, 18680, 20548, 21670, 23640, 25685, 26004, 28020, 30822, 32505, 41096, 43340, 51370, 52008, 56040, 61644, 65010, 77055, 86680, 91999, 102740, 123288, 130020, 154110, 183998, 205480, 260040, 275997, 308220, 367996, 459995, 551994, 616440, 735992, 919990, 1011989, 1103988, 1379985, 1839980, 2023978, 2207976, 2759970, 3035967, 3679960, 4047956, 5059945, 5519940, 6071934, 8095912, 10119890, 11039880, 12143868, 15179835, 20239780, 24287736, 30359670, 40479560, 60719340, 121438680]

約数ペア:

[(1, 121438680), (2, 60719340), (3, 40479560), (4, 30359670), (5, 24287736), (6, 20239780), (8, 15179835), (10, 12143868), (11, 11039880), (12, 10119890), (15, 8095912), (20, 6071934), (22, 5519940), (24, 5059945), (30, 4047956), (33, 3679960), (40, 3035967), (44, 2759970), (55, 2207976), (60, 2023978), (66, 1839980), (88, 1379985), (110, 1103988), (120, 1011989), (132, 919990), (165, 735992), (197, 616440), (220, 551994), (264, 459995), (330, 367996), (394, 308220), (440, 275997), (467, 260040), (591, 205480), (660, 183998), (788, 154110), (934, 130020), (985, 123288), (1182, 102740), (1320, 91999), (1401, 86680), (1576, 77055), (1868, 65010), (1970, 61644), (2167, 56040), (2335, 52008), (2364, 51370), (2802, 43340), (2955, 41096), (3736, 32505), (3940, 30822), (4334, 28020), (4670, 26004), (4728, 25685), (5137, 23640), (5604, 21670), (5910, 20548), (6501, 18680), (7005, 17336), (7880, 15411), (8668, 14010), (9340, 13002), (10274, 11820), (10835, 11208)]