140017920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{5209}}^1$

素因数の和:5240

約数の個数: 144

約数和(自身を含む): 511163520

約数和(自身を除く): 371145600

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, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5209, 5376, 6720, 8960, 10418, 13440, 15627, 20836, 26045, 26880, 31254, 36463, 41672, 52090, 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, 2917040, 3333760, 3500448, 4000512, 4375560, 4667264, 5000640, 5834080, 6667520, 7000896, 8751120, 9334528, 10001280, 11668160, 14001792, 17502240, 20002560, 23336320, 28003584, 35004480, 46672640, 70008960, 140017920]

約数ペア:

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