399360

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{13}}^1$

素因数の和:43

約数の個数: 96

約数和(自身を含む): 1375920

約数和(自身を除く): 976560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2048, 2080, 2496, 2560, 3072, 3120, 3328, 3840, 4160, 4992, 5120, 6144, 6240, 6656, 7680, 8320, 9984, 10240, 12480, 13312, 15360, 16640, 19968, 24960, 26624, 30720, 33280, 39936, 49920, 66560, 79872, 99840, 133120, 199680, 399360]

約数ペア:

[(1, 399360), (2, 199680), (3, 133120), (4, 99840), (5, 79872), (6, 66560), (8, 49920), (10, 39936), (12, 33280), (13, 30720), (15, 26624), (16, 24960), (20, 19968), (24, 16640), (26, 15360), (30, 13312), (32, 12480), (39, 10240), (40, 9984), (48, 8320), (52, 7680), (60, 6656), (64, 6240), (65, 6144), (78, 5120), (80, 4992), (96, 4160), (104, 3840), (120, 3328), (128, 3120), (130, 3072), (156, 2560), (160, 2496), (192, 2080), (195, 2048), (208, 1920), (240, 1664), (256, 1560), (260, 1536), (312, 1280), (320, 1248), (384, 1040), (390, 1024), (416, 960), (480, 832), (512, 780), (520, 768), (624, 640)]