15697925720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1\times {\mathrm{4801}}^1$

素因数の和:6756

約数の個数: 64

約数和(自身を含む): 36168279840

約数和(自身を除く): 20470354120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1901, 3802, 4801, 7604, 9505, 9602, 15208, 19010, 19204, 24005, 38020, 38408, 48010, 76040, 81743, 96020, 163486, 192040, 206443, 326972, 408715, 412886, 653944, 817430, 825772, 1032215, 1634860, 1651544, 2064430, 3269720, 4128860, 8257720, 9126701, 18253402, 36506804, 45633505, 73013608, 91267010, 182534020, 365068040, 392448143, 784896286, 1569792572, 1962240715, 3139585144, 3924481430, 7848962860, 15697925720]

約数ペア:

[(1, 15697925720), (2, 7848962860), (4, 3924481430), (5, 3139585144), (8, 1962240715), (10, 1569792572), (20, 784896286), (40, 392448143), (43, 365068040), (86, 182534020), (172, 91267010), (215, 73013608), (344, 45633505), (430, 36506804), (860, 18253402), (1720, 9126701), (1901, 8257720), (3802, 4128860), (4801, 3269720), (7604, 2064430), (9505, 1651544), (9602, 1634860), (15208, 1032215), (19010, 825772), (19204, 817430), (24005, 653944), (38020, 412886), (38408, 408715), (48010, 326972), (76040, 206443), (81743, 192040), (96020, 163486)]