128279040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{16703}}^1$

素因数の和:16729

約数の個数: 80

約数和(自身を含む): 410116608

約数和(自身を除く): 281837568

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, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 16703, 33406, 50109, 66812, 83515, 100218, 133624, 167030, 200436, 250545, 267248, 334060, 400872, 501090, 534496, 668120, 801744, 1002180, 1068992, 1336240, 1603488, 2004360, 2137984, 2672480, 3206976, 4008720, 4275968, 5344960, 6413952, 8017440, 8551936, 10689920, 12827904, 16034880, 21379840, 25655808, 32069760, 42759680, 64139520, 128279040]

約数ペア:

[(1, 128279040), (2, 64139520), (3, 42759680), (4, 32069760), (5, 25655808), (6, 21379840), (8, 16034880), (10, 12827904), (12, 10689920), (15, 8551936), (16, 8017440), (20, 6413952), (24, 5344960), (30, 4275968), (32, 4008720), (40, 3206976), (48, 2672480), (60, 2137984), (64, 2004360), (80, 1603488), (96, 1336240), (120, 1068992), (128, 1002180), (160, 801744), (192, 668120), (240, 534496), (256, 501090), (320, 400872), (384, 334060), (480, 267248), (512, 250545), (640, 200436), (768, 167030), (960, 133624), (1280, 100218), (1536, 83515), (1920, 66812), (2560, 50109), (3840, 33406), (7680, 16703)]