221455080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2663}}^1$

素因数の和:2701

約数の個数: 256

約数和(自身を含む): 920678400

約数和(自身を除く): 699223320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2663, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 5326, 5544, 5940, 6930, 7560, 7989, 8316, 9240, 10395, 10652, 11880, 13315, 13860, 15978, 16632, 18641, 20790, 21304, 23967, 26630, 27720, 29293, 31956, 37282, 39945, 41580, 47934, 53260, 55923, 58586, 63912, 71901, 74564, 79890, 83160, 87879, 93205, 95868, 106520, 111846, 117172, 119835, 143802, 146465, 149128, 159780, 167769, 175758, 186410, 191736, 205051, 223692, 234344, 239670, 263637, 279615, 287604, 292930, 319560, 335538, 351516, 359505, 372820, 410102, 439395, 447384, 479340, 503307, 527274, 559230, 575208, 585860, 615153, 671076, 703032, 719010, 745640, 790911, 820204, 838845, 878790, 958680, 1006614, 1025255, 1054548, 1118460, 1171720, 1230306, 1318185, 1342152, 1438020, 1581822, 1640408, 1677690, 1757580, 1845459, 2013228, 2050510, 2109096, 2236920, 2460612, 2516535, 2636370, 2876040, 3075765, 3163644, 3355380, 3515160, 3690918, 3954555, 4026456, 4101020, 4921224, 5033070, 5272740, 5536377, 6151530, 6327288, 6710760, 7381836, 7909110, 8202040, 9227295, 10066140, 10545480, 11072754, 12303060, 14763672, 15818220, 18454590, 20132280, 22145508, 24606120, 27681885, 31636440, 36909180, 44291016, 55363770, 73818360, 110727540, 221455080]

約数ペア:

[(1, 221455080), (2, 110727540), (3, 73818360), (4, 55363770), (5, 44291016), (6, 36909180), (7, 31636440), (8, 27681885), (9, 24606120), (10, 22145508), (11, 20132280), (12, 18454590), (14, 15818220), (15, 14763672), (18, 12303060), (20, 11072754), (21, 10545480), (22, 10066140), (24, 9227295), (27, 8202040), (28, 7909110), (30, 7381836), (33, 6710760), (35, 6327288), (36, 6151530), (40, 5536377), (42, 5272740), (44, 5033070), (45, 4921224), (54, 4101020), (55, 4026456), (56, 3954555), (60, 3690918), (63, 3515160), (66, 3355380), (70, 3163644), (72, 3075765), (77, 2876040), (84, 2636370), (88, 2516535), (90, 2460612), (99, 2236920), (105, 2109096), (108, 2050510), (110, 2013228), (120, 1845459), (126, 1757580), (132, 1677690), (135, 1640408), (140, 1581822), (154, 1438020), (165, 1342152), (168, 1318185), (180, 1230306), (189, 1171720), (198, 1118460), (210, 1054548), (216, 1025255), (220, 1006614), (231, 958680), (252, 878790), (264, 838845), (270, 820204), (280, 790911), (297, 745640), (308, 719010), (315, 703032), (330, 671076), (360, 615153), (378, 585860), (385, 575208), (396, 559230), (420, 527274), (440, 503307), (462, 479340), (495, 447384), (504, 439395), (540, 410102), (594, 372820), (616, 359505), (630, 351516), (660, 335538), (693, 319560), (756, 292930), (770, 287604), (792, 279615), (840, 263637), (924, 239670), (945, 234344), (990, 223692), (1080, 205051), (1155, 191736), (1188, 186410), (1260, 175758), (1320, 167769), (1386, 159780), (1485, 149128), (1512, 146465), (1540, 143802), (1848, 119835), (1890, 117172), (1980, 111846), (2079, 106520), (2310, 95868), (2376, 93205), (2520, 87879), (2663, 83160), (2772, 79890), (2970, 74564), (3080, 71901), (3465, 63912), (3780, 58586), (3960, 55923), (4158, 53260), (4620, 47934), (5326, 41580), (5544, 39945), (5940, 37282), (6930, 31956), (7560, 29293), (7989, 27720), (8316, 26630), (9240, 23967), (10395, 21304), (10652, 20790), (11880, 18641), (13315, 16632), (13860, 15978)]