64439040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 209125728

約数和(自身を除く): 144686688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 120, 128, 160, 173, 192, 194, 240, 256, 291, 320, 346, 384, 388, 480, 485, 519, 582, 640, 692, 768, 776, 865, 960, 970, 1038, 1164, 1280, 1384, 1455, 1552, 1730, 1920, 1940, 2076, 2328, 2595, 2768, 2910, 3104, 3460, 3840, 3880, 4152, 4656, 5190, 5536, 5820, 6208, 6920, 7760, 8304, 9312, 10380, 11072, 11640, 12416, 13840, 15520, 16608, 16781, 18624, 20760, 22144, 23280, 24832, 27680, 31040, 33216, 33562, 37248, 41520, 44288, 46560, 50343, 55360, 62080, 66432, 67124, 74496, 83040, 83905, 93120, 100686, 110720, 124160, 132864, 134248, 166080, 167810, 186240, 201372, 221440, 251715, 268496, 332160, 335620, 372480, 402744, 503430, 536992, 664320, 671240, 805488, 1006860, 1073984, 1342480, 1610976, 2013720, 2147968, 2684960, 3221952, 4027440, 4295936, 5369920, 6443904, 8054880, 10739840, 12887808, 16109760, 21479680, 32219520, 64439040]

約数ペア:

[(1, 64439040), (2, 32219520), (3, 21479680), (4, 16109760), (5, 12887808), (6, 10739840), (8, 8054880), (10, 6443904), (12, 5369920), (15, 4295936), (16, 4027440), (20, 3221952), (24, 2684960), (30, 2147968), (32, 2013720), (40, 1610976), (48, 1342480), (60, 1073984), (64, 1006860), (80, 805488), (96, 671240), (97, 664320), (120, 536992), (128, 503430), (160, 402744), (173, 372480), (192, 335620), (194, 332160), (240, 268496), (256, 251715), (291, 221440), (320, 201372), (346, 186240), (384, 167810), (388, 166080), (480, 134248), (485, 132864), (519, 124160), (582, 110720), (640, 100686), (692, 93120), (768, 83905), (776, 83040), (865, 74496), (960, 67124), (970, 66432), (1038, 62080), (1164, 55360), (1280, 50343), (1384, 46560), (1455, 44288), (1552, 41520), (1730, 37248), (1920, 33562), (1940, 33216), (2076, 31040), (2328, 27680), (2595, 24832), (2768, 23280), (2910, 22144), (3104, 20760), (3460, 18624), (3840, 16781), (3880, 16608), (4152, 15520), (4656, 13840), (5190, 12416), (5536, 11640), (5820, 11072), (6208, 10380), (6920, 9312), (7760, 8304)]