80688970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 161989632

約数和(自身を除く): 81300662

約数列:

[1, 2, 5, 10, 17, 31, 34, 61, 62, 85, 122, 155, 170, 251, 305, 310, 502, 527, 610, 1037, 1054, 1255, 1891, 2074, 2510, 2635, 3782, 4267, 5185, 5270, 7781, 8534, 9455, 10370, 15311, 15562, 18910, 21335, 30622, 32147, 38905, 42670, 64294, 76555, 77810, 132277, 153110, 160735, 260287, 264554, 321470, 474641, 520574, 661385, 949282, 1301435, 1322770, 2373205, 2602870, 4746410, 8068897, 16137794, 40344485, 80688970]

約数ペア:

[(1, 80688970), (2, 40344485), (5, 16137794), (10, 8068897), (17, 4746410), (31, 2602870), (34, 2373205), (61, 1322770), (62, 1301435), (85, 949282), (122, 661385), (155, 520574), (170, 474641), (251, 321470), (305, 264554), (310, 260287), (502, 160735), (527, 153110), (610, 132277), (1037, 77810), (1054, 76555), (1255, 64294), (1891, 42670), (2074, 38905), (2510, 32147), (2635, 30622), (3782, 21335), (4267, 18910), (5185, 15562), (5270, 15311), (7781, 10370), (8534, 9455)]