31816960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 90066816

約数和(自身を除く): 58249856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 67, 70, 80, 106, 112, 128, 134, 140, 160, 212, 224, 256, 265, 268, 280, 320, 335, 371, 424, 448, 469, 530, 536, 560, 640, 670, 742, 848, 896, 938, 1060, 1072, 1120, 1280, 1340, 1484, 1696, 1792, 1855, 1876, 2120, 2144, 2240, 2345, 2680, 2968, 3392, 3551, 3710, 3752, 4240, 4288, 4480, 4690, 5360, 5936, 6784, 7102, 7420, 7504, 8480, 8576, 8960, 9380, 10720, 11872, 13568, 14204, 14840, 15008, 16960, 17152, 17755, 18760, 21440, 23744, 24857, 28408, 29680, 30016, 33920, 35510, 37520, 42880, 47488, 49714, 56816, 59360, 60032, 67840, 71020, 75040, 85760, 94976, 99428, 113632, 118720, 120064, 124285, 142040, 150080, 198856, 227264, 237440, 248570, 284080, 300160, 397712, 454528, 474880, 497140, 568160, 600320, 795424, 909056, 994280, 1136320, 1590848, 1988560, 2272640, 3181696, 3977120, 4545280, 6363392, 7954240, 15908480, 31816960]

約数ペア:

[(1, 31816960), (2, 15908480), (4, 7954240), (5, 6363392), (7, 4545280), (8, 3977120), (10, 3181696), (14, 2272640), (16, 1988560), (20, 1590848), (28, 1136320), (32, 994280), (35, 909056), (40, 795424), (53, 600320), (56, 568160), (64, 497140), (67, 474880), (70, 454528), (80, 397712), (106, 300160), (112, 284080), (128, 248570), (134, 237440), (140, 227264), (160, 198856), (212, 150080), (224, 142040), (256, 124285), (265, 120064), (268, 118720), (280, 113632), (320, 99428), (335, 94976), (371, 85760), (424, 75040), (448, 71020), (469, 67840), (530, 60032), (536, 59360), (560, 56816), (640, 49714), (670, 47488), (742, 42880), (848, 37520), (896, 35510), (938, 33920), (1060, 30016), (1072, 29680), (1120, 28408), (1280, 24857), (1340, 23744), (1484, 21440), (1696, 18760), (1792, 17755), (1855, 17152), (1876, 16960), (2120, 15008), (2144, 14840), (2240, 14204), (2345, 13568), (2680, 11872), (2968, 10720), (3392, 9380), (3551, 8960), (3710, 8576), (3752, 8480), (4240, 7504), (4288, 7420), (4480, 7102), (4690, 6784), (5360, 5936)]