198397440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 240

約数和(自身を含む): 702187200

約数和(自身を除く): 503789760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 109, 120, 128, 144, 158, 160, 180, 192, 218, 237, 240, 256, 288, 316, 320, 327, 360, 384, 395, 436, 474, 480, 512, 545, 576, 632, 640, 654, 711, 720, 768, 790, 872, 948, 960, 981, 1090, 1152, 1185, 1264, 1280, 1308, 1422, 1440, 1536, 1580, 1635, 1744, 1896, 1920, 1962, 2180, 2304, 2370, 2528, 2560, 2616, 2844, 2880, 3160, 3270, 3488, 3555, 3792, 3840, 3924, 4360, 4608, 4740, 4905, 5056, 5232, 5688, 5760, 6320, 6540, 6976, 7110, 7584, 7680, 7848, 8611, 8720, 9480, 9810, 10112, 10464, 11376, 11520, 12640, 13080, 13952, 14220, 15168, 15696, 17222, 17440, 18960, 19620, 20224, 20928, 22752, 23040, 25280, 25833, 26160, 27904, 28440, 30336, 31392, 34444, 34880, 37920, 39240, 40448, 41856, 43055, 45504, 50560, 51666, 52320, 55808, 56880, 60672, 62784, 68888, 69760, 75840, 77499, 78480, 83712, 86110, 91008, 101120, 103332, 104640, 113760, 121344, 125568, 129165, 137776, 139520, 151680, 154998, 156960, 167424, 172220, 182016, 202240, 206664, 209280, 227520, 251136, 258330, 275552, 279040, 303360, 309996, 313920, 344440, 364032, 387495, 413328, 418560, 455040, 502272, 516660, 551104, 606720, 619992, 627840, 688880, 774990, 826656, 837120, 910080, 1033320, 1102208, 1239984, 1255680, 1377760, 1549980, 1653312, 1820160, 2066640, 2204416, 2479968, 2511360, 2755520, 3099960, 3306624, 4133280, 4408832, 4959936, 5511040, 6199920, 6613248, 8266560, 9919872, 11022080, 12399840, 13226496, 16533120, 19839744, 22044160, 24799680, 33066240, 39679488, 49599360, 66132480, 99198720, 198397440]

約数ペア:

[(1, 198397440), (2, 99198720), (3, 66132480), (4, 49599360), (5, 39679488), (6, 33066240), (8, 24799680), (9, 22044160), (10, 19839744), (12, 16533120), (15, 13226496), (16, 12399840), (18, 11022080), (20, 9919872), (24, 8266560), (30, 6613248), (32, 6199920), (36, 5511040), (40, 4959936), (45, 4408832), (48, 4133280), (60, 3306624), (64, 3099960), (72, 2755520), (79, 2511360), (80, 2479968), (90, 2204416), (96, 2066640), (109, 1820160), (120, 1653312), (128, 1549980), (144, 1377760), (158, 1255680), (160, 1239984), (180, 1102208), (192, 1033320), (218, 910080), (237, 837120), (240, 826656), (256, 774990), (288, 688880), (316, 627840), (320, 619992), (327, 606720), (360, 551104), (384, 516660), (395, 502272), (436, 455040), (474, 418560), (480, 413328), (512, 387495), (545, 364032), (576, 344440), (632, 313920), (640, 309996), (654, 303360), (711, 279040), (720, 275552), (768, 258330), (790, 251136), (872, 227520), (948, 209280), (960, 206664), (981, 202240), (1090, 182016), (1152, 172220), (1185, 167424), (1264, 156960), (1280, 154998), (1308, 151680), (1422, 139520), (1440, 137776), (1536, 129165), (1580, 125568), (1635, 121344), (1744, 113760), (1896, 104640), (1920, 103332), (1962, 101120), (2180, 91008), (2304, 86110), (2370, 83712), (2528, 78480), (2560, 77499), (2616, 75840), (2844, 69760), (2880, 68888), (3160, 62784), (3270, 60672), (3488, 56880), (3555, 55808), (3792, 52320), (3840, 51666), (3924, 50560), (4360, 45504), (4608, 43055), (4740, 41856), (4905, 40448), (5056, 39240), (5232, 37920), (5688, 34880), (5760, 34444), (6320, 31392), (6540, 30336), (6976, 28440), (7110, 27904), (7584, 26160), (7680, 25833), (7848, 25280), (8611, 23040), (8720, 22752), (9480, 20928), (9810, 20224), (10112, 19620), (10464, 18960), (11376, 17440), (11520, 17222), (12640, 15696), (13080, 15168), (13952, 14220)]