87219540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2707}}^1$

素因数の和:2901

約数の個数: 72

約数和(自身を含む): 266142240

約数和(自身を除く): 178922700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 2707, 3222, 3580, 5370, 5414, 6444, 8055, 8121, 10740, 10828, 13535, 16110, 16242, 24363, 27070, 32220, 32484, 40605, 48726, 54140, 81210, 97452, 121815, 162420, 243630, 484553, 487260, 969106, 1453659, 1938212, 2422765, 2907318, 4360977, 4845530, 5814636, 7268295, 8721954, 9691060, 14536590, 17443908, 21804885, 29073180, 43609770, 87219540]

約数ペア:

[(1, 87219540), (2, 43609770), (3, 29073180), (4, 21804885), (5, 17443908), (6, 14536590), (9, 9691060), (10, 8721954), (12, 7268295), (15, 5814636), (18, 4845530), (20, 4360977), (30, 2907318), (36, 2422765), (45, 1938212), (60, 1453659), (90, 969106), (179, 487260), (180, 484553), (358, 243630), (537, 162420), (716, 121815), (895, 97452), (1074, 81210), (1611, 54140), (1790, 48726), (2148, 40605), (2685, 32484), (2707, 32220), (3222, 27070), (3580, 24363), (5370, 16242), (5414, 16110), (6444, 13535), (8055, 10828), (8121, 10740)]