77877720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72109}}^1$

素因数の和:72129

約数の個数: 64

約数和(自身を含む): 259596000

約数和(自身を除く): 181718280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72109, 144218, 216327, 288436, 360545, 432654, 576872, 648981, 721090, 865308, 1081635, 1297962, 1442180, 1730616, 1946943, 2163270, 2595924, 2884360, 3244905, 3893886, 4326540, 5191848, 6489810, 7787772, 8653080, 9734715, 12979620, 15575544, 19469430, 25959240, 38938860, 77877720]

約数ペア:

[(1, 77877720), (2, 38938860), (3, 25959240), (4, 19469430), (5, 15575544), (6, 12979620), (8, 9734715), (9, 8653080), (10, 7787772), (12, 6489810), (15, 5191848), (18, 4326540), (20, 3893886), (24, 3244905), (27, 2884360), (30, 2595924), (36, 2163270), (40, 1946943), (45, 1730616), (54, 1442180), (60, 1297962), (72, 1081635), (90, 865308), (108, 721090), (120, 648981), (135, 576872), (180, 432654), (216, 360545), (270, 288436), (360, 216327), (540, 144218), (1080, 72109)]