128609280

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{2791}}^1$

素因数の和:2822

約数の個数: 132

約数和(自身を含む): 445787472

約数和(自身を除く): 317178192

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, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2791, 2880, 3072, 3840, 4608, 5120, 5582, 5760, 7680, 8373, 9216, 11164, 11520, 13955, 15360, 16746, 22328, 23040, 25119, 27910, 33492, 41865, 44656, 46080, 50238, 55820, 66984, 83730, 89312, 100476, 111640, 125595, 133968, 167460, 178624, 200952, 223280, 251190, 267936, 334920, 357248, 401904, 446560, 502380, 535872, 669840, 714496, 803808, 893120, 1004760, 1071744, 1339680, 1428992, 1607616, 1786240, 2009520, 2143488, 2679360, 2857984, 3215232, 3572480, 4019040, 4286976, 5358720, 6430464, 7144960, 8038080, 8573952, 10717440, 12860928, 14289920, 16076160, 21434880, 25721856, 32152320, 42869760, 64304640, 128609280]

約数ペア:

[(1, 128609280), (2, 64304640), (3, 42869760), (4, 32152320), (5, 25721856), (6, 21434880), (8, 16076160), (9, 14289920), (10, 12860928), (12, 10717440), (15, 8573952), (16, 8038080), (18, 7144960), (20, 6430464), (24, 5358720), (30, 4286976), (32, 4019040), (36, 3572480), (40, 3215232), (45, 2857984), (48, 2679360), (60, 2143488), (64, 2009520), (72, 1786240), (80, 1607616), (90, 1428992), (96, 1339680), (120, 1071744), (128, 1004760), (144, 893120), (160, 803808), (180, 714496), (192, 669840), (240, 535872), (256, 502380), (288, 446560), (320, 401904), (360, 357248), (384, 334920), (480, 267936), (512, 251190), (576, 223280), (640, 200952), (720, 178624), (768, 167460), (960, 133968), (1024, 125595), (1152, 111640), (1280, 100476), (1440, 89312), (1536, 83730), (1920, 66984), (2304, 55820), (2560, 50238), (2791, 46080), (2880, 44656), (3072, 41865), (3840, 33492), (4608, 27910), (5120, 25119), (5582, 23040), (5760, 22328), (7680, 16746), (8373, 15360), (9216, 13955), (11164, 11520)]