257830560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4628

約数の個数: 192

約数和(自身を含む): 972034560

約数和(自身を除く): 714204000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4591, 4680, 5616, 6240, 7020, 9182, 9360, 11232, 13773, 14040, 18364, 18720, 22955, 27546, 28080, 36728, 41319, 45910, 55092, 56160, 59683, 68865, 73456, 82638, 91820, 110184, 119366, 123957, 137730, 146912, 165276, 179049, 183640, 206595, 220368, 238732, 247914, 275460, 298415, 330552, 358098, 367280, 413190, 440736, 477464, 495828, 537147, 550920, 596830, 619785, 661104, 716196, 734560, 826380, 895245, 954928, 991656, 1074294, 1101840, 1193660, 1239570, 1322208, 1432392, 1611441, 1652760, 1790490, 1909856, 1983312, 2148588, 2203680, 2387320, 2479140, 2685735, 2864784, 3222882, 3305520, 3580980, 3966624, 4297176, 4774640, 4958280, 5371470, 5729568, 6445764, 6611040, 7161960, 8057205, 8594352, 9549280, 9916560, 10742940, 12891528, 14323920, 16114410, 17188704, 19833120, 21485880, 25783056, 28647840, 32228820, 42971760, 51566112, 64457640, 85943520, 128915280, 257830560]

約数ペア:

[(1, 257830560), (2, 128915280), (3, 85943520), (4, 64457640), (5, 51566112), (6, 42971760), (8, 32228820), (9, 28647840), (10, 25783056), (12, 21485880), (13, 19833120), (15, 17188704), (16, 16114410), (18, 14323920), (20, 12891528), (24, 10742940), (26, 9916560), (27, 9549280), (30, 8594352), (32, 8057205), (36, 7161960), (39, 6611040), (40, 6445764), (45, 5729568), (48, 5371470), (52, 4958280), (54, 4774640), (60, 4297176), (65, 3966624), (72, 3580980), (78, 3305520), (80, 3222882), (90, 2864784), (96, 2685735), (104, 2479140), (108, 2387320), (117, 2203680), (120, 2148588), (130, 1983312), (135, 1909856), (144, 1790490), (156, 1652760), (160, 1611441), (180, 1432392), (195, 1322208), (208, 1239570), (216, 1193660), (234, 1101840), (240, 1074294), (260, 991656), (270, 954928), (288, 895245), (312, 826380), (351, 734560), (360, 716196), (390, 661104), (416, 619785), (432, 596830), (468, 550920), (480, 537147), (520, 495828), (540, 477464), (585, 440736), (624, 413190), (702, 367280), (720, 358098), (780, 330552), (864, 298415), (936, 275460), (1040, 247914), (1080, 238732), (1170, 220368), (1248, 206595), (1404, 183640), (1440, 179049), (1560, 165276), (1755, 146912), (1872, 137730), (2080, 123957), (2160, 119366), (2340, 110184), (2808, 91820), (3120, 82638), (3510, 73456), (3744, 68865), (4320, 59683), (4591, 56160), (4680, 55092), (5616, 45910), (6240, 41319), (7020, 36728), (9182, 28080), (9360, 27546), (11232, 22955), (13773, 18720), (14040, 18364)]