257717760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1508

約数の個数: 160

約数和(自身を含む): 860302080

約数和(自身を除く): 602584320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1459, 1472, 1536, 1840, 1920, 2208, 2560, 2760, 2918, 2944, 3680, 3840, 4377, 4416, 5520, 5836, 5888, 7295, 7360, 7680, 8754, 8832, 11040, 11672, 11776, 14590, 14720, 17508, 17664, 21885, 22080, 23344, 29180, 29440, 33557, 35016, 35328, 43770, 44160, 46688, 58360, 58880, 67114, 70032, 87540, 88320, 93376, 100671, 116720, 134228, 140064, 167785, 175080, 176640, 186752, 201342, 233440, 268456, 280128, 335570, 350160, 373504, 402684, 466880, 503355, 536912, 560256, 671140, 700320, 747008, 805368, 933760, 1006710, 1073824, 1120512, 1342280, 1400640, 1610736, 1867520, 2013420, 2147648, 2241024, 2684560, 2801280, 3221472, 3735040, 4026840, 4295296, 5369120, 5602560, 6442944, 8053680, 8590592, 10738240, 11205120, 12885888, 16107360, 17181184, 21476480, 25771776, 32214720, 42952960, 51543552, 64429440, 85905920, 128858880, 257717760]

約数ペア:

[(1, 257717760), (2, 128858880), (3, 85905920), (4, 64429440), (5, 51543552), (6, 42952960), (8, 32214720), (10, 25771776), (12, 21476480), (15, 17181184), (16, 16107360), (20, 12885888), (23, 11205120), (24, 10738240), (30, 8590592), (32, 8053680), (40, 6442944), (46, 5602560), (48, 5369120), (60, 4295296), (64, 4026840), (69, 3735040), (80, 3221472), (92, 2801280), (96, 2684560), (115, 2241024), (120, 2147648), (128, 2013420), (138, 1867520), (160, 1610736), (184, 1400640), (192, 1342280), (230, 1120512), (240, 1073824), (256, 1006710), (276, 933760), (320, 805368), (345, 747008), (368, 700320), (384, 671140), (460, 560256), (480, 536912), (512, 503355), (552, 466880), (640, 402684), (690, 373504), (736, 350160), (768, 335570), (920, 280128), (960, 268456), (1104, 233440), (1280, 201342), (1380, 186752), (1459, 176640), (1472, 175080), (1536, 167785), (1840, 140064), (1920, 134228), (2208, 116720), (2560, 100671), (2760, 93376), (2918, 88320), (2944, 87540), (3680, 70032), (3840, 67114), (4377, 58880), (4416, 58360), (5520, 46688), (5836, 44160), (5888, 43770), (7295, 35328), (7360, 35016), (7680, 33557), (8754, 29440), (8832, 29180), (11040, 23344), (11672, 22080), (11776, 21885), (14590, 17664), (14720, 17508)]