15586640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 38890368

約数和(自身を除く): 23303728

約数列:

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

約数ペア:

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