31173280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 79035264

約数和(自身を除く): 47861984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 184, 197, 215, 230, 344, 368, 394, 430, 460, 688, 736, 788, 860, 920, 985, 989, 1376, 1576, 1720, 1840, 1970, 1978, 3152, 3440, 3680, 3940, 3956, 4531, 4945, 6304, 6880, 7880, 7912, 8471, 9062, 9890, 15760, 15824, 16942, 18124, 19780, 22655, 31520, 31648, 33884, 36248, 39560, 42355, 45310, 67768, 72496, 79120, 84710, 90620, 135536, 144992, 158240, 169420, 181240, 194833, 271072, 338840, 362480, 389666, 677680, 724960, 779332, 974165, 1355360, 1558664, 1948330, 3117328, 3896660, 6234656, 7793320, 15586640, 31173280]

約数ペア:

[(1, 31173280), (2, 15586640), (4, 7793320), (5, 6234656), (8, 3896660), (10, 3117328), (16, 1948330), (20, 1558664), (23, 1355360), (32, 974165), (40, 779332), (43, 724960), (46, 677680), (80, 389666), (86, 362480), (92, 338840), (115, 271072), (160, 194833), (172, 181240), (184, 169420), (197, 158240), (215, 144992), (230, 135536), (344, 90620), (368, 84710), (394, 79120), (430, 72496), (460, 67768), (688, 45310), (736, 42355), (788, 39560), (860, 36248), (920, 33884), (985, 31648), (989, 31520), (1376, 22655), (1576, 19780), (1720, 18124), (1840, 16942), (1970, 15824), (1978, 15760), (3152, 9890), (3440, 9062), (3680, 8471), (3940, 7912), (3956, 7880), (4531, 6880), (4945, 6304)]