280035840

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{5209}}^1$

素因数の和:5242

約数の個数: 160

約数和(自身を含む): 1023327360

約数和(自身を除く): 743291520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5209, 5376, 6720, 7680, 8960, 10418, 10752, 13440, 15627, 17920, 20836, 26045, 26880, 31254, 36463, 41672, 52090, 53760, 62508, 72926, 78135, 83344, 104180, 109389, 125016, 145852, 156270, 166688, 182315, 208360, 218778, 250032, 291704, 312540, 333376, 364630, 416720, 437556, 500064, 546945, 583408, 625080, 666752, 729260, 833440, 875112, 1000128, 1093890, 1166816, 1250160, 1333504, 1458520, 1666880, 1750224, 2000256, 2187780, 2333632, 2500320, 2667008, 2917040, 3333760, 3500448, 4000512, 4375560, 4667264, 5000640, 5834080, 6667520, 7000896, 8001024, 8751120, 9334528, 10001280, 11668160, 13335040, 14001792, 17502240, 18669056, 20002560, 23336320, 28003584, 35004480, 40005120, 46672640, 56007168, 70008960, 93345280, 140017920, 280035840]

約数ペア:

[(1, 280035840), (2, 140017920), (3, 93345280), (4, 70008960), (5, 56007168), (6, 46672640), (7, 40005120), (8, 35004480), (10, 28003584), (12, 23336320), (14, 20002560), (15, 18669056), (16, 17502240), (20, 14001792), (21, 13335040), (24, 11668160), (28, 10001280), (30, 9334528), (32, 8751120), (35, 8001024), (40, 7000896), (42, 6667520), (48, 5834080), (56, 5000640), (60, 4667264), (64, 4375560), (70, 4000512), (80, 3500448), (84, 3333760), (96, 2917040), (105, 2667008), (112, 2500320), (120, 2333632), (128, 2187780), (140, 2000256), (160, 1750224), (168, 1666880), (192, 1458520), (210, 1333504), (224, 1250160), (240, 1166816), (256, 1093890), (280, 1000128), (320, 875112), (336, 833440), (384, 729260), (420, 666752), (448, 625080), (480, 583408), (512, 546945), (560, 500064), (640, 437556), (672, 416720), (768, 364630), (840, 333376), (896, 312540), (960, 291704), (1120, 250032), (1280, 218778), (1344, 208360), (1536, 182315), (1680, 166688), (1792, 156270), (1920, 145852), (2240, 125016), (2560, 109389), (2688, 104180), (3360, 83344), (3584, 78135), (3840, 72926), (4480, 62508), (5209, 53760), (5376, 52090), (6720, 41672), (7680, 36463), (8960, 31254), (10418, 26880), (10752, 26045), (13440, 20836), (15627, 17920)]