87928380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2729}}^1$

素因数の和:2923

約数の個数: 72

約数和(自身を含む): 268304400

約数和(自身を除く): 180376020

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, 2729, 3222, 3580, 5370, 5458, 6444, 8055, 8187, 10740, 10916, 13645, 16110, 16374, 24561, 27290, 32220, 32748, 40935, 49122, 54580, 81870, 98244, 122805, 163740, 245610, 488491, 491220, 976982, 1465473, 1953964, 2442455, 2930946, 4396419, 4884910, 5861892, 7327365, 8792838, 9769820, 14654730, 17585676, 21982095, 29309460, 43964190, 87928380]

約数ペア:

[(1, 87928380), (2, 43964190), (3, 29309460), (4, 21982095), (5, 17585676), (6, 14654730), (9, 9769820), (10, 8792838), (12, 7327365), (15, 5861892), (18, 4884910), (20, 4396419), (30, 2930946), (36, 2442455), (45, 1953964), (60, 1465473), (90, 976982), (179, 491220), (180, 488491), (358, 245610), (537, 163740), (716, 122805), (895, 98244), (1074, 81870), (1611, 54580), (1790, 49122), (2148, 40935), (2685, 32748), (2729, 32220), (3222, 27290), (3580, 24561), (5370, 16374), (5458, 16110), (6444, 13645), (8055, 10916), (8187, 10740)]