161839360

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2223

約数の個数: 72

約数和(自身を含む): 394410240

約数和(自身を除く): 232570880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1888, 2143, 2360, 3776, 4286, 4720, 7552, 8572, 9440, 10715, 15104, 17144, 18880, 21430, 34288, 37760, 42860, 68576, 75520, 85720, 126437, 137152, 171440, 252874, 274304, 342880, 505748, 548608, 632185, 685760, 1011496, 1264370, 1371520, 2022992, 2528740, 2743040, 4045984, 5057480, 8091968, 10114960, 16183936, 20229920, 32367872, 40459840, 80919680, 161839360]

約数ペア:

[(1, 161839360), (2, 80919680), (4, 40459840), (5, 32367872), (8, 20229920), (10, 16183936), (16, 10114960), (20, 8091968), (32, 5057480), (40, 4045984), (59, 2743040), (64, 2528740), (80, 2022992), (118, 1371520), (128, 1264370), (160, 1011496), (236, 685760), (256, 632185), (295, 548608), (320, 505748), (472, 342880), (590, 274304), (640, 252874), (944, 171440), (1180, 137152), (1280, 126437), (1888, 85720), (2143, 75520), (2360, 68576), (3776, 42860), (4286, 37760), (4720, 34288), (7552, 21430), (8572, 18880), (9440, 17144), (10715, 15104)]