231177280

素因数分解:

$2^6\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1297}}^1$

素因数の和:1871

約数の個数: 56

約数和(自身を含む): 551904408

約数和(自身を除く): 320727128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 557, 1114, 1297, 2228, 2594, 2785, 4456, 5188, 5570, 6485, 8912, 10376, 11140, 12970, 17824, 20752, 22280, 25940, 35648, 41504, 44560, 51880, 83008, 89120, 103760, 178240, 207520, 415040, 722429, 1444858, 2889716, 3612145, 5779432, 7224290, 11558864, 14448580, 23117728, 28897160, 46235456, 57794320, 115588640, 231177280]

約数ペア:

[(1, 231177280), (2, 115588640), (4, 57794320), (5, 46235456), (8, 28897160), (10, 23117728), (16, 14448580), (20, 11558864), (32, 7224290), (40, 5779432), (64, 3612145), (80, 2889716), (160, 1444858), (320, 722429), (557, 415040), (1114, 207520), (1297, 178240), (2228, 103760), (2594, 89120), (2785, 83008), (4456, 51880), (5188, 44560), (5570, 41504), (6485, 35648), (8912, 25940), (10376, 22280), (11140, 20752), (12970, 17824)]