648331920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{900461}}^1$

素因数の和:900480

約数の個数: 60

約数和(自身を含む): 2177317116

約数和(自身を除く): 1528985196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 900461, 1800922, 2701383, 3601844, 4502305, 5402766, 7203688, 8104149, 9004610, 10805532, 13506915, 14407376, 16208298, 18009220, 21611064, 27013830, 32416596, 36018440, 40520745, 43222128, 54027660, 64833192, 72036880, 81041490, 108055320, 129666384, 162082980, 216110640, 324165960, 648331920]

約数ペア:

[(1, 648331920), (2, 324165960), (3, 216110640), (4, 162082980), (5, 129666384), (6, 108055320), (8, 81041490), (9, 72036880), (10, 64833192), (12, 54027660), (15, 43222128), (16, 40520745), (18, 36018440), (20, 32416596), (24, 27013830), (30, 21611064), (36, 18009220), (40, 16208298), (45, 14407376), (48, 13506915), (60, 10805532), (72, 9004610), (80, 8104149), (90, 7203688), (120, 5402766), (144, 4502305), (180, 3601844), (240, 2701383), (360, 1800922), (720, 900461)]