81997440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{6101}}^1$

素因数の和:6130

約数の個数: 128

約数和(自身を含む): 298753920

約数和(自身を除く): 216756480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6101, 6720, 12202, 13440, 18303, 24404, 30505, 36606, 42707, 48808, 61010, 73212, 85414, 91515, 97616, 122020, 128121, 146424, 170828, 183030, 195232, 213535, 244040, 256242, 292848, 341656, 366060, 390464, 427070, 488080, 512484, 585696, 640605, 683312, 732120, 780928, 854140, 976160, 1024968, 1171392, 1281210, 1366624, 1464240, 1708280, 1952320, 2049936, 2342784, 2562420, 2733248, 2928480, 3416560, 3904640, 4099872, 5124840, 5466496, 5856960, 6833120, 8199744, 10249680, 11713920, 13666240, 16399488, 20499360, 27332480, 40998720, 81997440]

約数ペア:

[(1, 81997440), (2, 40998720), (3, 27332480), (4, 20499360), (5, 16399488), (6, 13666240), (7, 11713920), (8, 10249680), (10, 8199744), (12, 6833120), (14, 5856960), (15, 5466496), (16, 5124840), (20, 4099872), (21, 3904640), (24, 3416560), (28, 2928480), (30, 2733248), (32, 2562420), (35, 2342784), (40, 2049936), (42, 1952320), (48, 1708280), (56, 1464240), (60, 1366624), (64, 1281210), (70, 1171392), (80, 1024968), (84, 976160), (96, 854140), (105, 780928), (112, 732120), (120, 683312), (128, 640605), (140, 585696), (160, 512484), (168, 488080), (192, 427070), (210, 390464), (224, 366060), (240, 341656), (280, 292848), (320, 256242), (336, 244040), (384, 213535), (420, 195232), (448, 183030), (480, 170828), (560, 146424), (640, 128121), (672, 122020), (840, 97616), (896, 91515), (960, 85414), (1120, 73212), (1344, 61010), (1680, 48808), (1920, 42707), (2240, 36606), (2688, 30505), (3360, 24404), (4480, 18303), (6101, 13440), (6720, 12202)]