255635520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 224

約数和(自身を含む): 938784000

約数和(自身を除く): 683148480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 109, 112, 120, 140, 160, 168, 192, 210, 218, 224, 240, 280, 320, 327, 336, 349, 420, 436, 448, 480, 545, 560, 654, 672, 698, 763, 840, 872, 960, 1047, 1090, 1120, 1308, 1344, 1396, 1526, 1635, 1680, 1744, 1745, 2094, 2180, 2240, 2289, 2443, 2616, 2792, 3052, 3270, 3360, 3488, 3490, 3815, 4188, 4360, 4578, 4886, 5232, 5235, 5584, 6104, 6540, 6720, 6976, 6980, 7329, 7630, 8376, 8720, 9156, 9772, 10464, 10470, 11168, 11445, 12208, 12215, 13080, 13960, 14658, 15260, 16752, 17440, 18312, 19544, 20928, 20940, 22336, 22890, 24416, 24430, 26160, 27920, 29316, 30520, 33504, 34880, 36624, 36645, 38041, 39088, 41880, 45780, 48832, 48860, 52320, 55840, 58632, 61040, 67008, 73248, 73290, 76082, 78176, 83760, 91560, 97720, 104640, 111680, 114123, 117264, 122080, 146496, 146580, 152164, 156352, 167520, 183120, 190205, 195440, 228246, 234528, 244160, 266287, 293160, 304328, 335040, 366240, 380410, 390880, 456492, 469056, 532574, 570615, 586320, 608656, 732480, 760820, 781760, 798861, 912984, 1065148, 1141230, 1172640, 1217312, 1331435, 1521640, 1597722, 1825968, 2130296, 2282460, 2345280, 2434624, 2662870, 3043280, 3195444, 3651936, 3994305, 4260592, 4564920, 5325740, 6086560, 6390888, 7303872, 7988610, 8521184, 9129840, 10651480, 12173120, 12781776, 15977220, 17042368, 18259680, 21302960, 25563552, 31954440, 36519360, 42605920, 51127104, 63908880, 85211840, 127817760, 255635520]

約数ペア:

[(1, 255635520), (2, 127817760), (3, 85211840), (4, 63908880), (5, 51127104), (6, 42605920), (7, 36519360), (8, 31954440), (10, 25563552), (12, 21302960), (14, 18259680), (15, 17042368), (16, 15977220), (20, 12781776), (21, 12173120), (24, 10651480), (28, 9129840), (30, 8521184), (32, 7988610), (35, 7303872), (40, 6390888), (42, 6086560), (48, 5325740), (56, 4564920), (60, 4260592), (64, 3994305), (70, 3651936), (80, 3195444), (84, 3043280), (96, 2662870), (105, 2434624), (109, 2345280), (112, 2282460), (120, 2130296), (140, 1825968), (160, 1597722), (168, 1521640), (192, 1331435), (210, 1217312), (218, 1172640), (224, 1141230), (240, 1065148), (280, 912984), (320, 798861), (327, 781760), (336, 760820), (349, 732480), (420, 608656), (436, 586320), (448, 570615), (480, 532574), (545, 469056), (560, 456492), (654, 390880), (672, 380410), (698, 366240), (763, 335040), (840, 304328), (872, 293160), (960, 266287), (1047, 244160), (1090, 234528), (1120, 228246), (1308, 195440), (1344, 190205), (1396, 183120), (1526, 167520), (1635, 156352), (1680, 152164), (1744, 146580), (1745, 146496), (2094, 122080), (2180, 117264), (2240, 114123), (2289, 111680), (2443, 104640), (2616, 97720), (2792, 91560), (3052, 83760), (3270, 78176), (3360, 76082), (3488, 73290), (3490, 73248), (3815, 67008), (4188, 61040), (4360, 58632), (4578, 55840), (4886, 52320), (5232, 48860), (5235, 48832), (5584, 45780), (6104, 41880), (6540, 39088), (6720, 38041), (6976, 36645), (6980, 36624), (7329, 34880), (7630, 33504), (8376, 30520), (8720, 29316), (9156, 27920), (9772, 26160), (10464, 24430), (10470, 24416), (11168, 22890), (11445, 22336), (12208, 20940), (12215, 20928), (13080, 19544), (13960, 18312), (14658, 17440), (15260, 16752)]