51021540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2069}}^1$

素因数の和:2221

約数の個数: 72

約数和(自身を含む): 155970360

約数和(自身を除く): 104948820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2069, 2466, 2740, 4110, 4138, 4932, 6165, 6207, 8220, 8276, 10345, 12330, 12414, 18621, 20690, 24660, 24828, 31035, 37242, 41380, 62070, 74484, 93105, 124140, 186210, 283453, 372420, 566906, 850359, 1133812, 1417265, 1700718, 2551077, 2834530, 3401436, 4251795, 5102154, 5669060, 8503590, 10204308, 12755385, 17007180, 25510770, 51021540]

約数ペア:

[(1, 51021540), (2, 25510770), (3, 17007180), (4, 12755385), (5, 10204308), (6, 8503590), (9, 5669060), (10, 5102154), (12, 4251795), (15, 3401436), (18, 2834530), (20, 2551077), (30, 1700718), (36, 1417265), (45, 1133812), (60, 850359), (90, 566906), (137, 372420), (180, 283453), (274, 186210), (411, 124140), (548, 93105), (685, 74484), (822, 62070), (1233, 41380), (1370, 37242), (1644, 31035), (2055, 24828), (2069, 24660), (2466, 20690), (2740, 18621), (4110, 12414), (4138, 12330), (4932, 10345), (6165, 8276), (6207, 8220)]