161284480

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 463957200

約数和(自身を除く): 302672720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 139, 140, 148, 160, 185, 196, 224, 245, 259, 278, 280, 296, 320, 370, 392, 448, 490, 518, 556, 560, 592, 640, 695, 740, 784, 896, 973, 980, 1036, 1112, 1120, 1184, 1295, 1390, 1480, 1568, 1813, 1946, 1960, 2072, 2224, 2240, 2368, 2590, 2780, 2960, 3136, 3626, 3892, 3920, 4144, 4448, 4480, 4736, 4865, 5143, 5180, 5560, 5920, 6272, 6811, 7252, 7784, 7840, 8288, 8896, 9065, 9730, 10286, 10360, 11120, 11840, 13622, 14504, 15568, 15680, 16576, 17792, 18130, 19460, 20572, 20720, 22240, 23680, 25715, 27244, 29008, 31136, 31360, 33152, 34055, 36001, 36260, 38920, 41144, 41440, 44480, 51430, 54488, 58016, 62272, 68110, 72002, 72520, 77840, 82288, 82880, 88960, 102860, 108976, 116032, 124544, 136220, 144004, 145040, 155680, 164576, 165760, 180005, 205720, 217952, 232064, 252007, 272440, 288008, 290080, 311360, 329152, 360010, 411440, 435904, 504014, 544880, 576016, 580160, 622720, 658304, 720020, 822880, 871808, 1008028, 1089760, 1152032, 1160320, 1260035, 1440040, 1645760, 2016056, 2179520, 2304064, 2520070, 2880080, 3291520, 4032112, 4359040, 4608128, 5040140, 5760160, 8064224, 10080280, 11520320, 16128448, 20160560, 23040640, 32256896, 40321120, 80642240, 161284480]

約数ペア:

[(1, 161284480), (2, 80642240), (4, 40321120), (5, 32256896), (7, 23040640), (8, 20160560), (10, 16128448), (14, 11520320), (16, 10080280), (20, 8064224), (28, 5760160), (32, 5040140), (35, 4608128), (37, 4359040), (40, 4032112), (49, 3291520), (56, 2880080), (64, 2520070), (70, 2304064), (74, 2179520), (80, 2016056), (98, 1645760), (112, 1440040), (128, 1260035), (139, 1160320), (140, 1152032), (148, 1089760), (160, 1008028), (185, 871808), (196, 822880), (224, 720020), (245, 658304), (259, 622720), (278, 580160), (280, 576016), (296, 544880), (320, 504014), (370, 435904), (392, 411440), (448, 360010), (490, 329152), (518, 311360), (556, 290080), (560, 288008), (592, 272440), (640, 252007), (695, 232064), (740, 217952), (784, 205720), (896, 180005), (973, 165760), (980, 164576), (1036, 155680), (1112, 145040), (1120, 144004), (1184, 136220), (1295, 124544), (1390, 116032), (1480, 108976), (1568, 102860), (1813, 88960), (1946, 82880), (1960, 82288), (2072, 77840), (2224, 72520), (2240, 72002), (2368, 68110), (2590, 62272), (2780, 58016), (2960, 54488), (3136, 51430), (3626, 44480), (3892, 41440), (3920, 41144), (4144, 38920), (4448, 36260), (4480, 36001), (4736, 34055), (4865, 33152), (5143, 31360), (5180, 31136), (5560, 29008), (5920, 27244), (6272, 25715), (6811, 23680), (7252, 22240), (7784, 20720), (7840, 20572), (8288, 19460), (8896, 18130), (9065, 17792), (9730, 16576), (10286, 15680), (10360, 15568), (11120, 14504), (11840, 13622)]