161996160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 520934400

約数和(自身を除く): 358938240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 278, 320, 384, 417, 480, 556, 607, 640, 695, 834, 960, 1112, 1214, 1390, 1668, 1821, 1920, 2085, 2224, 2428, 2780, 3035, 3336, 3642, 4170, 4448, 4856, 5560, 6070, 6672, 7284, 8340, 8896, 9105, 9712, 11120, 12140, 13344, 14568, 16680, 17792, 18210, 19424, 22240, 24280, 26688, 29136, 33360, 36420, 38848, 44480, 48560, 53376, 58272, 66720, 72840, 77696, 84373, 88960, 97120, 116544, 133440, 145680, 168746, 194240, 233088, 253119, 266880, 291360, 337492, 388480, 421865, 506238, 582720, 674984, 843730, 1012476, 1165440, 1265595, 1349968, 1687460, 2024952, 2531190, 2699936, 3374920, 4049904, 5062380, 5399872, 6749840, 8099808, 10124760, 10799744, 13499680, 16199616, 20249520, 26999360, 32399232, 40499040, 53998720, 80998080, 161996160]

約数ペア:

[(1, 161996160), (2, 80998080), (3, 53998720), (4, 40499040), (5, 32399232), (6, 26999360), (8, 20249520), (10, 16199616), (12, 13499680), (15, 10799744), (16, 10124760), (20, 8099808), (24, 6749840), (30, 5399872), (32, 5062380), (40, 4049904), (48, 3374920), (60, 2699936), (64, 2531190), (80, 2024952), (96, 1687460), (120, 1349968), (128, 1265595), (139, 1165440), (160, 1012476), (192, 843730), (240, 674984), (278, 582720), (320, 506238), (384, 421865), (417, 388480), (480, 337492), (556, 291360), (607, 266880), (640, 253119), (695, 233088), (834, 194240), (960, 168746), (1112, 145680), (1214, 133440), (1390, 116544), (1668, 97120), (1821, 88960), (1920, 84373), (2085, 77696), (2224, 72840), (2428, 66720), (2780, 58272), (3035, 53376), (3336, 48560), (3642, 44480), (4170, 38848), (4448, 36420), (4856, 33360), (5560, 29136), (6070, 26688), (6672, 24280), (7284, 22240), (8340, 19424), (8896, 18210), (9105, 17792), (9712, 16680), (11120, 14568), (12140, 13344)]