71907840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3121}}^1$

素因数の和:3150

約数の個数: 120

約数和(自身を含む): 249116868

約数和(自身を除く): 177209028

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3121, 3840, 4608, 5760, 6242, 7680, 9363, 11520, 12484, 15605, 18726, 23040, 24968, 28089, 31210, 37452, 46815, 49936, 56178, 62420, 74904, 93630, 99872, 112356, 124840, 140445, 149808, 187260, 199744, 224712, 249680, 280890, 299616, 374520, 399488, 449424, 499360, 561780, 599232, 749040, 798976, 898848, 998720, 1123560, 1198464, 1498080, 1597952, 1797696, 1997440, 2247120, 2396928, 2996160, 3595392, 3994880, 4494240, 4793856, 5992320, 7190784, 7989760, 8988480, 11984640, 14381568, 17976960, 23969280, 35953920, 71907840]

約数ペア:

[(1, 71907840), (2, 35953920), (3, 23969280), (4, 17976960), (5, 14381568), (6, 11984640), (8, 8988480), (9, 7989760), (10, 7190784), (12, 5992320), (15, 4793856), (16, 4494240), (18, 3994880), (20, 3595392), (24, 2996160), (30, 2396928), (32, 2247120), (36, 1997440), (40, 1797696), (45, 1597952), (48, 1498080), (60, 1198464), (64, 1123560), (72, 998720), (80, 898848), (90, 798976), (96, 749040), (120, 599232), (128, 561780), (144, 499360), (160, 449424), (180, 399488), (192, 374520), (240, 299616), (256, 280890), (288, 249680), (320, 224712), (360, 199744), (384, 187260), (480, 149808), (512, 140445), (576, 124840), (640, 112356), (720, 99872), (768, 93630), (960, 74904), (1152, 62420), (1280, 56178), (1440, 49936), (1536, 46815), (1920, 37452), (2304, 31210), (2560, 28089), (2880, 24968), (3121, 23040), (3840, 18726), (4608, 15605), (5760, 12484), (6242, 11520), (7680, 9363)]