208907520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{54403}}^1$

素因数の和:54427

約数の個数: 72

約数和(自身を含む): 667210656

約数和(自身を除く): 458303136

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, 640, 768, 960, 1280, 1920, 3840, 54403, 108806, 163209, 217612, 272015, 326418, 435224, 544030, 652836, 816045, 870448, 1088060, 1305672, 1632090, 1740896, 2176120, 2611344, 3264180, 3481792, 4352240, 5222688, 6528360, 6963584, 8704480, 10445376, 13056720, 13927168, 17408960, 20890752, 26113440, 34817920, 41781504, 52226880, 69635840, 104453760, 208907520]

約数ペア:

[(1, 208907520), (2, 104453760), (3, 69635840), (4, 52226880), (5, 41781504), (6, 34817920), (8, 26113440), (10, 20890752), (12, 17408960), (15, 13927168), (16, 13056720), (20, 10445376), (24, 8704480), (30, 6963584), (32, 6528360), (40, 5222688), (48, 4352240), (60, 3481792), (64, 3264180), (80, 2611344), (96, 2176120), (120, 1740896), (128, 1632090), (160, 1305672), (192, 1088060), (240, 870448), (256, 816045), (320, 652836), (384, 544030), (480, 435224), (640, 326418), (768, 272015), (960, 217612), (1280, 163209), (1920, 108806), (3840, 54403)]