320401920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{41719}}^1$

素因数の和:41745

約数の個数: 80

約数和(自身を含む): 1024309440

約数和(自身を除く): 703907520

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, 41719, 83438, 125157, 166876, 208595, 250314, 333752, 417190, 500628, 625785, 667504, 834380, 1001256, 1251570, 1335008, 1668760, 2002512, 2503140, 2670016, 3337520, 4005024, 5006280, 5340032, 6675040, 8010048, 10012560, 10680064, 13350080, 16020096, 20025120, 21360128, 26700160, 32040192, 40050240, 53400320, 64080384, 80100480, 106800640, 160200960, 320401920]

約数ペア:

[(1, 320401920), (2, 160200960), (3, 106800640), (4, 80100480), (5, 64080384), (6, 53400320), (8, 40050240), (10, 32040192), (12, 26700160), (15, 21360128), (16, 20025120), (20, 16020096), (24, 13350080), (30, 10680064), (32, 10012560), (40, 8010048), (48, 6675040), (60, 5340032), (64, 5006280), (80, 4005024), (96, 3337520), (120, 2670016), (128, 2503140), (160, 2002512), (192, 1668760), (240, 1335008), (256, 1251570), (320, 1001256), (384, 834380), (480, 667504), (512, 625785), (640, 500628), (768, 417190), (960, 333752), (1280, 250314), (1536, 208595), (1920, 166876), (2560, 125157), (3840, 83438), (7680, 41719)]