156843520

素因数分解:

$2^9\times 5^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 80

約数和(自身を含む): 379181088

約数和(自身を除く): 222337568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 311, 320, 394, 512, 622, 640, 788, 985, 1244, 1280, 1555, 1576, 1970, 2488, 2560, 3110, 3152, 3940, 4976, 6220, 6304, 7880, 9952, 12440, 12608, 15760, 19904, 24880, 25216, 31520, 39808, 49760, 50432, 61267, 63040, 79616, 99520, 100864, 122534, 126080, 159232, 199040, 245068, 252160, 306335, 398080, 490136, 504320, 612670, 796160, 980272, 1225340, 1960544, 2450680, 3921088, 4901360, 7842176, 9802720, 15684352, 19605440, 31368704, 39210880, 78421760, 156843520]

約数ペア:

[(1, 156843520), (2, 78421760), (4, 39210880), (5, 31368704), (8, 19605440), (10, 15684352), (16, 9802720), (20, 7842176), (32, 4901360), (40, 3921088), (64, 2450680), (80, 1960544), (128, 1225340), (160, 980272), (197, 796160), (256, 612670), (311, 504320), (320, 490136), (394, 398080), (512, 306335), (622, 252160), (640, 245068), (788, 199040), (985, 159232), (1244, 126080), (1280, 122534), (1555, 100864), (1576, 99520), (1970, 79616), (2488, 63040), (2560, 61267), (3110, 50432), (3152, 49760), (3940, 39808), (4976, 31520), (6220, 25216), (6304, 24880), (7880, 19904), (9952, 15760), (12440, 12608)]