80981280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56237}}^1$

素因数の和:56258

約数の個数: 72

約数和(自身を含む): 276353532

約数和(自身を除く): 195372252

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56237, 112474, 168711, 224948, 281185, 337422, 449896, 506133, 562370, 674844, 843555, 899792, 1012266, 1124740, 1349688, 1687110, 1799584, 2024532, 2249480, 2530665, 2699376, 3374220, 4049064, 4498960, 5061330, 5398752, 6748440, 8098128, 8997920, 10122660, 13496880, 16196256, 20245320, 26993760, 40490640, 80981280]

約数ペア:

[(1, 80981280), (2, 40490640), (3, 26993760), (4, 20245320), (5, 16196256), (6, 13496880), (8, 10122660), (9, 8997920), (10, 8098128), (12, 6748440), (15, 5398752), (16, 5061330), (18, 4498960), (20, 4049064), (24, 3374220), (30, 2699376), (32, 2530665), (36, 2249480), (40, 2024532), (45, 1799584), (48, 1687110), (60, 1349688), (72, 1124740), (80, 1012266), (90, 899792), (96, 843555), (120, 674844), (144, 562370), (160, 506133), (180, 449896), (240, 337422), (288, 281185), (360, 224948), (480, 168711), (720, 112474), (1440, 56237)]