161749280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 192

約数和(自身を含む): 502225920

約数和(自身を除く): 340476640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 352, 380, 385, 418, 440, 532, 560, 608, 616, 665, 691, 760, 770, 836, 880, 1045, 1064, 1120, 1232, 1330, 1382, 1463, 1520, 1540, 1672, 1760, 2090, 2128, 2464, 2660, 2764, 2926, 3040, 3080, 3344, 3455, 4180, 4256, 4837, 5320, 5528, 5852, 6160, 6688, 6910, 7315, 7601, 8360, 9674, 10640, 11056, 11704, 12320, 13129, 13820, 14630, 15202, 16720, 19348, 21280, 22112, 23408, 24185, 26258, 27640, 29260, 30404, 33440, 38005, 38696, 46816, 48370, 52516, 53207, 55280, 58520, 60808, 65645, 76010, 77392, 91903, 96740, 105032, 106414, 110560, 117040, 121616, 131290, 144419, 152020, 154784, 183806, 193480, 210064, 212828, 234080, 243232, 262580, 266035, 288838, 304040, 367612, 386960, 420128, 425656, 459515, 525160, 532070, 577676, 608080, 722095, 735224, 773920, 851312, 919030, 1010933, 1050320, 1064140, 1155352, 1216160, 1444190, 1470448, 1702624, 1838060, 2021866, 2100640, 2128280, 2310704, 2888380, 2940896, 3676120, 4043732, 4256560, 4621408, 5054665, 5776760, 7352240, 8087464, 8513120, 10109330, 11553520, 14704480, 16174928, 20218660, 23107040, 32349856, 40437320, 80874640, 161749280]

約数ペア:

[(1, 161749280), (2, 80874640), (4, 40437320), (5, 32349856), (7, 23107040), (8, 20218660), (10, 16174928), (11, 14704480), (14, 11553520), (16, 10109330), (19, 8513120), (20, 8087464), (22, 7352240), (28, 5776760), (32, 5054665), (35, 4621408), (38, 4256560), (40, 4043732), (44, 3676120), (55, 2940896), (56, 2888380), (70, 2310704), (76, 2128280), (77, 2100640), (80, 2021866), (88, 1838060), (95, 1702624), (110, 1470448), (112, 1444190), (133, 1216160), (140, 1155352), (152, 1064140), (154, 1050320), (160, 1010933), (176, 919030), (190, 851312), (209, 773920), (220, 735224), (224, 722095), (266, 608080), (280, 577676), (304, 532070), (308, 525160), (352, 459515), (380, 425656), (385, 420128), (418, 386960), (440, 367612), (532, 304040), (560, 288838), (608, 266035), (616, 262580), (665, 243232), (691, 234080), (760, 212828), (770, 210064), (836, 193480), (880, 183806), (1045, 154784), (1064, 152020), (1120, 144419), (1232, 131290), (1330, 121616), (1382, 117040), (1463, 110560), (1520, 106414), (1540, 105032), (1672, 96740), (1760, 91903), (2090, 77392), (2128, 76010), (2464, 65645), (2660, 60808), (2764, 58520), (2926, 55280), (3040, 53207), (3080, 52516), (3344, 48370), (3455, 46816), (4180, 38696), (4256, 38005), (4837, 33440), (5320, 30404), (5528, 29260), (5852, 27640), (6160, 26258), (6688, 24185), (6910, 23408), (7315, 22112), (7601, 21280), (8360, 19348), (9674, 16720), (10640, 15202), (11056, 14630), (11704, 13820), (12320, 13129)]