261311760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 240

約数和(自身を含む): 955961136

約数和(自身を除く): 694649376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 48, 51, 60, 68, 72, 74, 80, 85, 90, 102, 111, 120, 136, 144, 148, 153, 170, 180, 185, 204, 222, 240, 255, 272, 296, 306, 333, 340, 360, 370, 408, 444, 510, 555, 577, 592, 612, 629, 666, 680, 720, 740, 765, 816, 888, 1020, 1110, 1154, 1224, 1258, 1332, 1360, 1480, 1530, 1665, 1731, 1776, 1887, 2040, 2220, 2308, 2448, 2516, 2664, 2885, 2960, 3060, 3145, 3330, 3462, 3774, 4080, 4440, 4616, 5032, 5193, 5328, 5661, 5770, 6120, 6290, 6660, 6924, 7548, 8655, 8880, 9232, 9435, 9809, 10064, 10386, 11322, 11540, 12240, 12580, 13320, 13848, 15096, 17310, 18870, 19618, 20772, 21349, 22644, 23080, 25160, 25965, 26640, 27696, 28305, 29427, 30192, 34620, 37740, 39236, 41544, 42698, 45288, 46160, 49045, 50320, 51930, 56610, 58854, 64047, 69240, 75480, 78472, 83088, 85396, 88281, 90576, 98090, 103860, 106745, 113220, 117708, 128094, 138480, 147135, 150960, 156944, 170792, 176562, 192141, 196180, 207720, 213490, 226440, 235416, 256188, 294270, 320235, 341584, 353124, 362933, 384282, 392360, 415440, 426980, 441405, 452880, 470832, 512376, 588540, 640470, 706248, 725866, 768564, 784720, 853960, 882810, 960705, 1024752, 1088799, 1177080, 1280940, 1412496, 1451732, 1537128, 1707920, 1765620, 1814665, 1921410, 2177598, 2354160, 2561880, 2903464, 3074256, 3266397, 3531240, 3629330, 3842820, 4355196, 5123760, 5443995, 5806928, 6532794, 7062480, 7258660, 7685640, 8710392, 10887990, 13065588, 14517320, 15371280, 16331985, 17420784, 21775980, 26131176, 29034640, 32663970, 43551960, 52262352, 65327940, 87103920, 130655880, 261311760]

約数ペア:

[(1, 261311760), (2, 130655880), (3, 87103920), (4, 65327940), (5, 52262352), (6, 43551960), (8, 32663970), (9, 29034640), (10, 26131176), (12, 21775980), (15, 17420784), (16, 16331985), (17, 15371280), (18, 14517320), (20, 13065588), (24, 10887990), (30, 8710392), (34, 7685640), (36, 7258660), (37, 7062480), (40, 6532794), (45, 5806928), (48, 5443995), (51, 5123760), (60, 4355196), (68, 3842820), (72, 3629330), (74, 3531240), (80, 3266397), (85, 3074256), (90, 2903464), (102, 2561880), (111, 2354160), (120, 2177598), (136, 1921410), (144, 1814665), (148, 1765620), (153, 1707920), (170, 1537128), (180, 1451732), (185, 1412496), (204, 1280940), (222, 1177080), (240, 1088799), (255, 1024752), (272, 960705), (296, 882810), (306, 853960), (333, 784720), (340, 768564), (360, 725866), (370, 706248), (408, 640470), (444, 588540), (510, 512376), (555, 470832), (577, 452880), (592, 441405), (612, 426980), (629, 415440), (666, 392360), (680, 384282), (720, 362933), (740, 353124), (765, 341584), (816, 320235), (888, 294270), (1020, 256188), (1110, 235416), (1154, 226440), (1224, 213490), (1258, 207720), (1332, 196180), (1360, 192141), (1480, 176562), (1530, 170792), (1665, 156944), (1731, 150960), (1776, 147135), (1887, 138480), (2040, 128094), (2220, 117708), (2308, 113220), (2448, 106745), (2516, 103860), (2664, 98090), (2885, 90576), (2960, 88281), (3060, 85396), (3145, 83088), (3330, 78472), (3462, 75480), (3774, 69240), (4080, 64047), (4440, 58854), (4616, 56610), (5032, 51930), (5193, 50320), (5328, 49045), (5661, 46160), (5770, 45288), (6120, 42698), (6290, 41544), (6660, 39236), (6924, 37740), (7548, 34620), (8655, 30192), (8880, 29427), (9232, 28305), (9435, 27696), (9809, 26640), (10064, 25965), (10386, 25160), (11322, 23080), (11540, 22644), (12240, 21349), (12580, 20772), (13320, 19618), (13848, 18870), (15096, 17310)]