81575040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42487}}^1$

素因数の和:42509

約数の個数: 64

約数和(自身を含む): 260026560

約数和(自身を除く): 178451520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42487, 84974, 127461, 169948, 212435, 254922, 339896, 424870, 509844, 637305, 679792, 849740, 1019688, 1274610, 1359584, 1699480, 2039376, 2549220, 2719168, 3398960, 4078752, 5098440, 5438336, 6797920, 8157504, 10196880, 13595840, 16315008, 20393760, 27191680, 40787520, 81575040]

約数ペア:

[(1, 81575040), (2, 40787520), (3, 27191680), (4, 20393760), (5, 16315008), (6, 13595840), (8, 10196880), (10, 8157504), (12, 6797920), (15, 5438336), (16, 5098440), (20, 4078752), (24, 3398960), (30, 2719168), (32, 2549220), (40, 2039376), (48, 1699480), (60, 1359584), (64, 1274610), (80, 1019688), (96, 849740), (120, 679792), (128, 637305), (160, 509844), (192, 424870), (240, 339896), (320, 254922), (384, 212435), (480, 169948), (640, 127461), (960, 84974), (1920, 42487)]