64565480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{787}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 166803840

約数和(自身を除く): 102238360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 787, 1172, 1465, 1574, 2051, 2344, 2930, 3148, 3935, 4102, 5509, 5860, 6296, 7870, 8204, 10255, 11018, 11720, 15740, 16408, 20510, 22036, 27545, 31480, 41020, 44072, 55090, 82040, 110180, 220360, 230591, 461182, 922364, 1152955, 1614137, 1844728, 2305910, 3228274, 4611820, 6456548, 8070685, 9223640, 12913096, 16141370, 32282740, 64565480]

約数ペア:

[(1, 64565480), (2, 32282740), (4, 16141370), (5, 12913096), (7, 9223640), (8, 8070685), (10, 6456548), (14, 4611820), (20, 3228274), (28, 2305910), (35, 1844728), (40, 1614137), (56, 1152955), (70, 922364), (140, 461182), (280, 230591), (293, 220360), (586, 110180), (787, 82040), (1172, 55090), (1465, 44072), (1574, 41020), (2051, 31480), (2344, 27545), (2930, 22036), (3148, 20510), (3935, 16408), (4102, 15740), (5509, 11720), (5860, 11018), (6296, 10255), (7870, 8204)]