81631370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^2$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 159763968

約数和(自身を除く): 78132598

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 107, 115, 155, 214, 230, 310, 535, 713, 1070, 1426, 2461, 3317, 3565, 4922, 6634, 7130, 11449, 12305, 16585, 22898, 24610, 33170, 57245, 76291, 114490, 152582, 263327, 354919, 381455, 526654, 709838, 762910, 1316635, 1774595, 2633270, 3549190, 8163137, 16326274, 40815685, 81631370]

約数ペア:

[(1, 81631370), (2, 40815685), (5, 16326274), (10, 8163137), (23, 3549190), (31, 2633270), (46, 1774595), (62, 1316635), (107, 762910), (115, 709838), (155, 526654), (214, 381455), (230, 354919), (310, 263327), (535, 152582), (713, 114490), (1070, 76291), (1426, 57245), (2461, 33170), (3317, 24610), (3565, 22898), (4922, 16585), (6634, 12305), (7130, 11449)]