217257480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 192

約数和(自身を含む): 780736320

約数和(自身を除く): 563478840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 83, 88, 90, 99, 110, 120, 132, 165, 166, 180, 198, 220, 249, 264, 330, 332, 360, 396, 415, 440, 495, 498, 660, 661, 664, 747, 792, 830, 913, 990, 996, 1245, 1320, 1322, 1494, 1660, 1826, 1980, 1983, 1992, 2490, 2644, 2739, 2988, 3305, 3320, 3652, 3735, 3960, 3966, 4565, 4980, 5288, 5478, 5949, 5976, 6610, 7271, 7304, 7470, 7932, 8217, 9130, 9915, 9960, 10956, 11898, 13220, 13695, 14542, 14940, 15864, 16434, 18260, 19830, 21813, 21912, 23796, 26440, 27390, 29084, 29745, 29880, 32868, 36355, 36520, 39660, 41085, 43626, 47592, 54780, 54863, 58168, 59490, 65439, 65736, 72710, 79320, 82170, 87252, 109065, 109560, 109726, 118980, 130878, 145420, 164340, 164589, 174504, 218130, 219452, 237960, 261756, 274315, 290840, 327195, 328680, 329178, 436260, 438904, 493767, 523512, 548630, 603493, 654390, 658356, 822945, 872520, 987534, 1097260, 1206986, 1308780, 1316712, 1645890, 1810479, 1975068, 2194520, 2413972, 2468835, 2617560, 3017465, 3291780, 3620958, 3950136, 4827944, 4937670, 5431437, 6034930, 6583560, 7241916, 9052395, 9875340, 10862874, 12069860, 14483832, 18104790, 19750680, 21725748, 24139720, 27157185, 36209580, 43451496, 54314370, 72419160, 108628740, 217257480]

約数ペア:

[(1, 217257480), (2, 108628740), (3, 72419160), (4, 54314370), (5, 43451496), (6, 36209580), (8, 27157185), (9, 24139720), (10, 21725748), (11, 19750680), (12, 18104790), (15, 14483832), (18, 12069860), (20, 10862874), (22, 9875340), (24, 9052395), (30, 7241916), (33, 6583560), (36, 6034930), (40, 5431437), (44, 4937670), (45, 4827944), (55, 3950136), (60, 3620958), (66, 3291780), (72, 3017465), (83, 2617560), (88, 2468835), (90, 2413972), (99, 2194520), (110, 1975068), (120, 1810479), (132, 1645890), (165, 1316712), (166, 1308780), (180, 1206986), (198, 1097260), (220, 987534), (249, 872520), (264, 822945), (330, 658356), (332, 654390), (360, 603493), (396, 548630), (415, 523512), (440, 493767), (495, 438904), (498, 436260), (660, 329178), (661, 328680), (664, 327195), (747, 290840), (792, 274315), (830, 261756), (913, 237960), (990, 219452), (996, 218130), (1245, 174504), (1320, 164589), (1322, 164340), (1494, 145420), (1660, 130878), (1826, 118980), (1980, 109726), (1983, 109560), (1992, 109065), (2490, 87252), (2644, 82170), (2739, 79320), (2988, 72710), (3305, 65736), (3320, 65439), (3652, 59490), (3735, 58168), (3960, 54863), (3966, 54780), (4565, 47592), (4980, 43626), (5288, 41085), (5478, 39660), (5949, 36520), (5976, 36355), (6610, 32868), (7271, 29880), (7304, 29745), (7470, 29084), (7932, 27390), (8217, 26440), (9130, 23796), (9915, 21912), (9960, 21813), (10956, 19830), (11898, 18260), (13220, 16434), (13695, 15864), (14542, 14940)]