20187868960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{1811}}^1$

素因数の和:2139

約数の個数: 192

約数和(自身を含む): 56219546880

約数和(自身を除く): 36031677920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 269, 280, 296, 370, 518, 538, 560, 592, 740, 1036, 1076, 1120, 1184, 1295, 1345, 1480, 1811, 1883, 2072, 2152, 2590, 2690, 2960, 3622, 3766, 4144, 4304, 5180, 5380, 5920, 7244, 7532, 8288, 8608, 9055, 9415, 9953, 10360, 10760, 12677, 14488, 15064, 18110, 18830, 19906, 20720, 21520, 25354, 28976, 30128, 36220, 37660, 39812, 41440, 43040, 49765, 50708, 57952, 60256, 63385, 67007, 69671, 72440, 75320, 79624, 99530, 101416, 126770, 134014, 139342, 144880, 150640, 159248, 199060, 202832, 253540, 268028, 278684, 289760, 301280, 318496, 335035, 348355, 398120, 405664, 469049, 487159, 507080, 536056, 557368, 670070, 696710, 796240, 938098, 974318, 1014160, 1072112, 1114736, 1340140, 1393420, 1592480, 1876196, 1948636, 2028320, 2144224, 2229472, 2345245, 2435795, 2680280, 2786840, 3410113, 3752392, 3897272, 4690490, 4871590, 5360560, 5573680, 6820226, 7504784, 7794544, 9380980, 9743180, 10721120, 11147360, 13640452, 15009568, 15589088, 17050565, 18024883, 18761960, 19486360, 27280904, 34101130, 36049766, 37523920, 38972720, 54561808, 68202260, 72099532, 75047840, 77945440, 90124415, 109123616, 126174181, 136404520, 144199064, 180248830, 252348362, 272809040, 288398128, 360497660, 504696724, 545618080, 576796256, 630870905, 720995320, 1009393448, 1261741810, 1441990640, 2018786896, 2523483620, 2883981280, 4037573792, 5046967240, 10093934480, 20187868960]

約数ペア:

[(1, 20187868960), (2, 10093934480), (4, 5046967240), (5, 4037573792), (7, 2883981280), (8, 2523483620), (10, 2018786896), (14, 1441990640), (16, 1261741810), (20, 1009393448), (28, 720995320), (32, 630870905), (35, 576796256), (37, 545618080), (40, 504696724), (56, 360497660), (70, 288398128), (74, 272809040), (80, 252348362), (112, 180248830), (140, 144199064), (148, 136404520), (160, 126174181), (185, 109123616), (224, 90124415), (259, 77945440), (269, 75047840), (280, 72099532), (296, 68202260), (370, 54561808), (518, 38972720), (538, 37523920), (560, 36049766), (592, 34101130), (740, 27280904), (1036, 19486360), (1076, 18761960), (1120, 18024883), (1184, 17050565), (1295, 15589088), (1345, 15009568), (1480, 13640452), (1811, 11147360), (1883, 10721120), (2072, 9743180), (2152, 9380980), (2590, 7794544), (2690, 7504784), (2960, 6820226), (3622, 5573680), (3766, 5360560), (4144, 4871590), (4304, 4690490), (5180, 3897272), (5380, 3752392), (5920, 3410113), (7244, 2786840), (7532, 2680280), (8288, 2435795), (8608, 2345245), (9055, 2229472), (9415, 2144224), (9953, 2028320), (10360, 1948636), (10760, 1876196), (12677, 1592480), (14488, 1393420), (15064, 1340140), (18110, 1114736), (18830, 1072112), (19906, 1014160), (20720, 974318), (21520, 938098), (25354, 796240), (28976, 696710), (30128, 670070), (36220, 557368), (37660, 536056), (39812, 507080), (41440, 487159), (43040, 469049), (49765, 405664), (50708, 398120), (57952, 348355), (60256, 335035), (63385, 318496), (67007, 301280), (69671, 289760), (72440, 278684), (75320, 268028), (79624, 253540), (99530, 202832), (101416, 199060), (126770, 159248), (134014, 150640), (139342, 144880)]