253756160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 703266816

約数和(自身を除く): 449510656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 223, 224, 254, 256, 280, 320, 446, 448, 508, 560, 635, 640, 889, 892, 896, 1016, 1115, 1120, 1270, 1280, 1561, 1778, 1784, 1792, 2032, 2230, 2240, 2540, 3122, 3556, 3568, 4064, 4445, 4460, 4480, 5080, 6244, 7112, 7136, 7805, 8128, 8890, 8920, 8960, 10160, 12488, 14224, 14272, 15610, 16256, 17780, 17840, 20320, 24976, 28321, 28448, 28544, 31220, 32512, 35560, 35680, 40640, 49952, 56642, 56896, 57088, 62440, 71120, 71360, 81280, 99904, 113284, 113792, 124880, 141605, 142240, 142720, 162560, 198247, 199808, 226568, 227584, 249760, 283210, 284480, 285440, 396494, 399616, 453136, 499520, 566420, 568960, 792988, 906272, 991235, 999040, 1132840, 1137920, 1585976, 1812544, 1982470, 1998080, 2265680, 3171952, 3625088, 3964940, 4531360, 6343904, 7250176, 7929880, 9062720, 12687808, 15859760, 18125440, 25375616, 31719520, 36250880, 50751232, 63439040, 126878080, 253756160]

約数ペア:

[(1, 253756160), (2, 126878080), (4, 63439040), (5, 50751232), (7, 36250880), (8, 31719520), (10, 25375616), (14, 18125440), (16, 15859760), (20, 12687808), (28, 9062720), (32, 7929880), (35, 7250176), (40, 6343904), (56, 4531360), (64, 3964940), (70, 3625088), (80, 3171952), (112, 2265680), (127, 1998080), (128, 1982470), (140, 1812544), (160, 1585976), (223, 1137920), (224, 1132840), (254, 999040), (256, 991235), (280, 906272), (320, 792988), (446, 568960), (448, 566420), (508, 499520), (560, 453136), (635, 399616), (640, 396494), (889, 285440), (892, 284480), (896, 283210), (1016, 249760), (1115, 227584), (1120, 226568), (1270, 199808), (1280, 198247), (1561, 162560), (1778, 142720), (1784, 142240), (1792, 141605), (2032, 124880), (2230, 113792), (2240, 113284), (2540, 99904), (3122, 81280), (3556, 71360), (3568, 71120), (4064, 62440), (4445, 57088), (4460, 56896), (4480, 56642), (5080, 49952), (6244, 40640), (7112, 35680), (7136, 35560), (7805, 32512), (8128, 31220), (8890, 28544), (8920, 28448), (8960, 28321), (10160, 24976), (12488, 20320), (14224, 17840), (14272, 17780), (15610, 16256)]