20161308080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{337}}^1$

素因数の和:727

約数の個数: 160

約数和(自身を含む): 49293541440

約数和(自身を除く): 29132233360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 107, 116, 145, 214, 232, 241, 290, 337, 428, 464, 482, 535, 580, 674, 856, 964, 1070, 1160, 1205, 1348, 1685, 1712, 1928, 2140, 2320, 2410, 2696, 3103, 3370, 3856, 4280, 4820, 5392, 6206, 6740, 6989, 8560, 9640, 9773, 12412, 13480, 13978, 15515, 19280, 19546, 24824, 25787, 26960, 27956, 31030, 34945, 36059, 39092, 48865, 49648, 51574, 55912, 62060, 69890, 72118, 78184, 81217, 97730, 103148, 111824, 124120, 128935, 139780, 144236, 156368, 162434, 180295, 195460, 206296, 248240, 257870, 279560, 288472, 324868, 360590, 390920, 406085, 412592, 515740, 559120, 576944, 649736, 721180, 747823, 781840, 812170, 1031480, 1045711, 1299472, 1442360, 1495646, 1624340, 2062960, 2091422, 2355293, 2884720, 2991292, 3248680, 3739115, 4182844, 4710586, 5228555, 5982584, 6497360, 7478230, 8365688, 8690219, 9421172, 10457110, 11776465, 11965168, 14956460, 16731376, 17380438, 18842344, 20914220, 23552930, 29912920, 34760876, 37684688, 41828440, 43451095, 47105860, 59825840, 69521752, 83656880, 86902190, 94211720, 139043504, 173804380, 188423440, 252016351, 347608760, 504032702, 695217520, 1008065404, 1260081755, 2016130808, 2520163510, 4032261616, 5040327020, 10080654040, 20161308080]

約数ペア:

[(1, 20161308080), (2, 10080654040), (4, 5040327020), (5, 4032261616), (8, 2520163510), (10, 2016130808), (16, 1260081755), (20, 1008065404), (29, 695217520), (40, 504032702), (58, 347608760), (80, 252016351), (107, 188423440), (116, 173804380), (145, 139043504), (214, 94211720), (232, 86902190), (241, 83656880), (290, 69521752), (337, 59825840), (428, 47105860), (464, 43451095), (482, 41828440), (535, 37684688), (580, 34760876), (674, 29912920), (856, 23552930), (964, 20914220), (1070, 18842344), (1160, 17380438), (1205, 16731376), (1348, 14956460), (1685, 11965168), (1712, 11776465), (1928, 10457110), (2140, 9421172), (2320, 8690219), (2410, 8365688), (2696, 7478230), (3103, 6497360), (3370, 5982584), (3856, 5228555), (4280, 4710586), (4820, 4182844), (5392, 3739115), (6206, 3248680), (6740, 2991292), (6989, 2884720), (8560, 2355293), (9640, 2091422), (9773, 2062960), (12412, 1624340), (13480, 1495646), (13978, 1442360), (15515, 1299472), (19280, 1045711), (19546, 1031480), (24824, 812170), (25787, 781840), (26960, 747823), (27956, 721180), (31030, 649736), (34945, 576944), (36059, 559120), (39092, 515740), (48865, 412592), (49648, 406085), (51574, 390920), (55912, 360590), (62060, 324868), (69890, 288472), (72118, 279560), (78184, 257870), (81217, 248240), (97730, 206296), (103148, 195460), (111824, 180295), (124120, 162434), (128935, 156368), (139780, 144236)]