263237120

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 120

約数和(自身を含む): 658263672

約数和(自身を除く): 395026552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 256, 310, 320, 428, 496, 512, 535, 620, 640, 856, 961, 992, 1070, 1240, 1280, 1712, 1922, 1984, 2140, 2480, 2560, 3317, 3424, 3844, 3968, 4280, 4805, 4960, 6634, 6848, 7688, 7936, 8560, 9610, 9920, 13268, 13696, 15376, 15872, 16585, 17120, 19220, 19840, 26536, 27392, 30752, 33170, 34240, 38440, 39680, 53072, 54784, 61504, 66340, 68480, 76880, 79360, 102827, 106144, 123008, 132680, 136960, 153760, 205654, 212288, 246016, 265360, 273920, 307520, 411308, 424576, 492032, 514135, 530720, 615040, 822616, 849152, 1028270, 1061440, 1230080, 1645232, 1698304, 2056540, 2122880, 2460160, 3290464, 4113080, 4245760, 6580928, 8226160, 8491520, 13161856, 16452320, 26323712, 32904640, 52647424, 65809280, 131618560, 263237120]

約数ペア:

[(1, 263237120), (2, 131618560), (4, 65809280), (5, 52647424), (8, 32904640), (10, 26323712), (16, 16452320), (20, 13161856), (31, 8491520), (32, 8226160), (40, 6580928), (62, 4245760), (64, 4113080), (80, 3290464), (107, 2460160), (124, 2122880), (128, 2056540), (155, 1698304), (160, 1645232), (214, 1230080), (248, 1061440), (256, 1028270), (310, 849152), (320, 822616), (428, 615040), (496, 530720), (512, 514135), (535, 492032), (620, 424576), (640, 411308), (856, 307520), (961, 273920), (992, 265360), (1070, 246016), (1240, 212288), (1280, 205654), (1712, 153760), (1922, 136960), (1984, 132680), (2140, 123008), (2480, 106144), (2560, 102827), (3317, 79360), (3424, 76880), (3844, 68480), (3968, 66340), (4280, 61504), (4805, 54784), (4960, 53072), (6634, 39680), (6848, 38440), (7688, 34240), (7936, 33170), (8560, 30752), (9610, 27392), (9920, 26536), (13268, 19840), (13696, 19220), (15376, 17120), (15872, 16585)]