242739840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18061}}^1$

素因数の和:18090

約数の個数: 128

約数和(自身を含む): 884315520

約数和(自身を除く): 641575680

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, 6720, 13440, 18061, 36122, 54183, 72244, 90305, 108366, 126427, 144488, 180610, 216732, 252854, 270915, 288976, 361220, 379281, 433464, 505708, 541830, 577952, 632135, 722440, 758562, 866928, 1011416, 1083660, 1155904, 1264270, 1444880, 1517124, 1733856, 1896405, 2022832, 2167320, 2311808, 2528540, 2889760, 3034248, 3467712, 3792810, 4045664, 4334640, 5057080, 5779520, 6068496, 6935424, 7585620, 8091328, 8669280, 10114160, 11559040, 12136992, 15171240, 16182656, 17338560, 20228320, 24273984, 30342480, 34677120, 40456640, 48547968, 60684960, 80913280, 121369920, 242739840]

約数ペア:

[(1, 242739840), (2, 121369920), (3, 80913280), (4, 60684960), (5, 48547968), (6, 40456640), (7, 34677120), (8, 30342480), (10, 24273984), (12, 20228320), (14, 17338560), (15, 16182656), (16, 15171240), (20, 12136992), (21, 11559040), (24, 10114160), (28, 8669280), (30, 8091328), (32, 7585620), (35, 6935424), (40, 6068496), (42, 5779520), (48, 5057080), (56, 4334640), (60, 4045664), (64, 3792810), (70, 3467712), (80, 3034248), (84, 2889760), (96, 2528540), (105, 2311808), (112, 2167320), (120, 2022832), (128, 1896405), (140, 1733856), (160, 1517124), (168, 1444880), (192, 1264270), (210, 1155904), (224, 1083660), (240, 1011416), (280, 866928), (320, 758562), (336, 722440), (384, 632135), (420, 577952), (448, 541830), (480, 505708), (560, 433464), (640, 379281), (672, 361220), (840, 288976), (896, 270915), (960, 252854), (1120, 216732), (1344, 180610), (1680, 144488), (1920, 126427), (2240, 108366), (2688, 90305), (3360, 72244), (4480, 54183), (6720, 36122), (13440, 18061)]