189995760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{87961}}^1$

素因数の和:87983

約数の個数: 80

約数和(自身を含む): 654437280

約数和(自身を除く): 464441520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 87961, 175922, 263883, 351844, 439805, 527766, 703688, 791649, 879610, 1055532, 1319415, 1407376, 1583298, 1759220, 2111064, 2374947, 2638830, 3166596, 3518440, 3958245, 4222128, 4749894, 5277660, 6333192, 7036880, 7916490, 9499788, 10555320, 11874735, 12666384, 15832980, 18999576, 21110640, 23749470, 31665960, 37999152, 47498940, 63331920, 94997880, 189995760]

約数ペア:

[(1, 189995760), (2, 94997880), (3, 63331920), (4, 47498940), (5, 37999152), (6, 31665960), (8, 23749470), (9, 21110640), (10, 18999576), (12, 15832980), (15, 12666384), (16, 11874735), (18, 10555320), (20, 9499788), (24, 7916490), (27, 7036880), (30, 6333192), (36, 5277660), (40, 4749894), (45, 4222128), (48, 3958245), (54, 3518440), (60, 3166596), (72, 2638830), (80, 2374947), (90, 2111064), (108, 1759220), (120, 1583298), (135, 1407376), (144, 1319415), (180, 1055532), (216, 879610), (240, 791649), (270, 703688), (360, 527766), (432, 439805), (540, 351844), (720, 263883), (1080, 175922), (2160, 87961)]