1243787520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{323903}}^1$

素因数の和:323927

約数の個数: 72

約数和(自身を含む): 3972358656

約数和(自身を除く): 2728571136

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, 323903, 647806, 971709, 1295612, 1619515, 1943418, 2591224, 3239030, 3886836, 4858545, 5182448, 6478060, 7773672, 9717090, 10364896, 12956120, 15547344, 19434180, 20729792, 25912240, 31094688, 38868360, 41459584, 51824480, 62189376, 77736720, 82919168, 103648960, 124378752, 155473440, 207297920, 248757504, 310946880, 414595840, 621893760, 1243787520]

約数ペア:

[(1, 1243787520), (2, 621893760), (3, 414595840), (4, 310946880), (5, 248757504), (6, 207297920), (8, 155473440), (10, 124378752), (12, 103648960), (15, 82919168), (16, 77736720), (20, 62189376), (24, 51824480), (30, 41459584), (32, 38868360), (40, 31094688), (48, 25912240), (60, 20729792), (64, 19434180), (80, 15547344), (96, 12956120), (120, 10364896), (128, 9717090), (160, 7773672), (192, 6478060), (240, 5182448), (256, 4858545), (320, 3886836), (384, 3239030), (480, 2591224), (640, 1943418), (768, 1619515), (960, 1295612), (1280, 971709), (1920, 647806), (3840, 323903)]