1321855360

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 192

約数和(自身を含む): 3741657840

約数和(自身を除く): 2419802480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 128, 140, 160, 196, 224, 244, 245, 280, 305, 320, 392, 427, 448, 488, 490, 560, 610, 640, 691, 784, 854, 896, 976, 980, 1120, 1220, 1382, 1568, 1708, 1952, 1960, 2135, 2240, 2440, 2764, 2989, 3136, 3416, 3455, 3904, 3920, 4270, 4480, 4837, 4880, 5528, 5978, 6272, 6832, 6910, 7808, 7840, 8540, 9674, 9760, 11056, 11956, 13664, 13820, 14945, 15680, 17080, 19348, 19520, 22112, 23912, 24185, 27328, 27640, 29890, 31360, 33859, 34160, 38696, 39040, 42151, 44224, 47824, 48370, 54656, 55280, 59780, 67718, 68320, 77392, 84302, 88448, 95648, 96740, 110560, 119560, 135436, 136640, 154784, 168604, 169295, 191296, 193480, 210755, 221120, 239120, 270872, 273280, 295057, 309568, 337208, 338590, 382592, 386960, 421510, 442240, 478240, 541744, 590114, 619136, 674416, 677180, 773920, 843020, 956480, 1083488, 1180228, 1348832, 1354360, 1475285, 1547840, 1686040, 1912960, 2065399, 2166976, 2360456, 2697664, 2708720, 2950570, 3095680, 3372080, 4130798, 4333952, 4720912, 5395328, 5417440, 5901140, 6744160, 8261596, 9441824, 10326995, 10834880, 11802280, 13488320, 16523192, 18883648, 20653990, 21669760, 23604560, 26976640, 33046384, 37767296, 41307980, 47209120, 66092768, 82615960, 94418240, 132185536, 165231920, 188836480, 264371072, 330463840, 660927680, 1321855360]

約数ペア:

[(1, 1321855360), (2, 660927680), (4, 330463840), (5, 264371072), (7, 188836480), (8, 165231920), (10, 132185536), (14, 94418240), (16, 82615960), (20, 66092768), (28, 47209120), (32, 41307980), (35, 37767296), (40, 33046384), (49, 26976640), (56, 23604560), (61, 21669760), (64, 20653990), (70, 18883648), (80, 16523192), (98, 13488320), (112, 11802280), (122, 10834880), (128, 10326995), (140, 9441824), (160, 8261596), (196, 6744160), (224, 5901140), (244, 5417440), (245, 5395328), (280, 4720912), (305, 4333952), (320, 4130798), (392, 3372080), (427, 3095680), (448, 2950570), (488, 2708720), (490, 2697664), (560, 2360456), (610, 2166976), (640, 2065399), (691, 1912960), (784, 1686040), (854, 1547840), (896, 1475285), (976, 1354360), (980, 1348832), (1120, 1180228), (1220, 1083488), (1382, 956480), (1568, 843020), (1708, 773920), (1952, 677180), (1960, 674416), (2135, 619136), (2240, 590114), (2440, 541744), (2764, 478240), (2989, 442240), (3136, 421510), (3416, 386960), (3455, 382592), (3904, 338590), (3920, 337208), (4270, 309568), (4480, 295057), (4837, 273280), (4880, 270872), (5528, 239120), (5978, 221120), (6272, 210755), (6832, 193480), (6910, 191296), (7808, 169295), (7840, 168604), (8540, 154784), (9674, 136640), (9760, 135436), (11056, 119560), (11956, 110560), (13664, 96740), (13820, 95648), (14945, 88448), (15680, 84302), (17080, 77392), (19348, 68320), (19520, 67718), (22112, 59780), (23912, 55280), (24185, 54656), (27328, 48370), (27640, 47824), (29890, 44224), (31360, 42151), (33859, 39040), (34160, 38696)]