123210240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 160

約数和(自身を含む): 401867136

約数和(自身を除く): 278656896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 263, 305, 320, 366, 384, 480, 488, 512, 526, 610, 640, 732, 768, 789, 915, 960, 976, 1052, 1220, 1280, 1315, 1464, 1536, 1578, 1830, 1920, 1952, 2104, 2440, 2560, 2630, 2928, 3156, 3660, 3840, 3904, 3945, 4208, 4880, 5260, 5856, 6312, 7320, 7680, 7808, 7890, 8416, 9760, 10520, 11712, 12624, 14640, 15616, 15780, 16043, 16832, 19520, 21040, 23424, 25248, 29280, 31232, 31560, 32086, 33664, 39040, 42080, 46848, 48129, 50496, 58560, 63120, 64172, 67328, 78080, 80215, 84160, 93696, 96258, 100992, 117120, 126240, 128344, 134656, 156160, 160430, 168320, 192516, 201984, 234240, 240645, 252480, 256688, 320860, 336640, 385032, 403968, 468480, 481290, 504960, 513376, 641720, 673280, 770064, 962580, 1009920, 1026752, 1283440, 1540128, 1925160, 2019840, 2053504, 2566880, 3080256, 3850320, 4107008, 5133760, 6160512, 7700640, 8214016, 10267520, 12321024, 15401280, 20535040, 24642048, 30802560, 41070080, 61605120, 123210240]

約数ペア:

[(1, 123210240), (2, 61605120), (3, 41070080), (4, 30802560), (5, 24642048), (6, 20535040), (8, 15401280), (10, 12321024), (12, 10267520), (15, 8214016), (16, 7700640), (20, 6160512), (24, 5133760), (30, 4107008), (32, 3850320), (40, 3080256), (48, 2566880), (60, 2053504), (61, 2019840), (64, 1925160), (80, 1540128), (96, 1283440), (120, 1026752), (122, 1009920), (128, 962580), (160, 770064), (183, 673280), (192, 641720), (240, 513376), (244, 504960), (256, 481290), (263, 468480), (305, 403968), (320, 385032), (366, 336640), (384, 320860), (480, 256688), (488, 252480), (512, 240645), (526, 234240), (610, 201984), (640, 192516), (732, 168320), (768, 160430), (789, 156160), (915, 134656), (960, 128344), (976, 126240), (1052, 117120), (1220, 100992), (1280, 96258), (1315, 93696), (1464, 84160), (1536, 80215), (1578, 78080), (1830, 67328), (1920, 64172), (1952, 63120), (2104, 58560), (2440, 50496), (2560, 48129), (2630, 46848), (2928, 42080), (3156, 39040), (3660, 33664), (3840, 32086), (3904, 31560), (3945, 31232), (4208, 29280), (4880, 25248), (5260, 23424), (5856, 21040), (6312, 19520), (7320, 16832), (7680, 16043), (7808, 15780), (7890, 15616), (8416, 14640), (9760, 12624), (10520, 11712)]