311208960

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{20261}}^1$

素因数の和:20289

約数の個数: 88

約数和(自身を含む): 995431536

約数和(自身を除く): 684222576

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 20261, 40522, 60783, 81044, 101305, 121566, 162088, 202610, 243132, 303915, 324176, 405220, 486264, 607830, 648352, 810440, 972528, 1215660, 1296704, 1620880, 1945056, 2431320, 2593408, 3241760, 3890112, 4862640, 5186816, 6483520, 7780224, 9725280, 10373632, 12967040, 15560448, 19450560, 20747264, 25934080, 31120896, 38901120, 51868160, 62241792, 77802240, 103736320, 155604480, 311208960]

約数ペア:

[(1, 311208960), (2, 155604480), (3, 103736320), (4, 77802240), (5, 62241792), (6, 51868160), (8, 38901120), (10, 31120896), (12, 25934080), (15, 20747264), (16, 19450560), (20, 15560448), (24, 12967040), (30, 10373632), (32, 9725280), (40, 7780224), (48, 6483520), (60, 5186816), (64, 4862640), (80, 3890112), (96, 3241760), (120, 2593408), (128, 2431320), (160, 1945056), (192, 1620880), (240, 1296704), (256, 1215660), (320, 972528), (384, 810440), (480, 648352), (512, 607830), (640, 486264), (768, 405220), (960, 324176), (1024, 303915), (1280, 243132), (1536, 202610), (1920, 162088), (2560, 121566), (3072, 101305), (3840, 81044), (5120, 60783), (7680, 40522), (15360, 20261)]