618397920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2038

約数の個数: 288

約数和(自身を含む): 2490808320

約数和(自身を除く): 1872410400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 1979, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 3958, 4340, 4464, 4960, 5040, 5208, 5580, 5937, 6510, 6944, 7440, 7812, 7916, 8680, 8928, 9765, 9895, 10080, 10416, 11160, 11874, 13020, 13853, 14880, 15624, 15832, 17360, 17811, 19530, 19790, 20832, 22320, 23748, 26040, 27706, 29685, 31248, 31664, 34720, 35622, 39060, 39580, 41559, 44640, 47496, 52080, 55412, 59370, 61349, 62496, 63328, 69265, 71244, 78120, 79160, 83118, 89055, 94992, 104160, 110824, 118740, 122698, 124677, 138530, 142488, 156240, 158320, 166236, 178110, 184047, 189984, 207795, 221648, 237480, 245396, 249354, 277060, 284976, 306745, 312480, 316640, 332472, 356220, 368094, 415590, 429443, 443296, 474960, 490792, 498708, 552141, 554120, 569952, 613490, 623385, 664944, 712440, 736188, 831180, 858886, 920235, 949920, 981584, 997416, 1104282, 1108240, 1226980, 1246770, 1288329, 1329888, 1424880, 1472376, 1662360, 1717772, 1840470, 1963168, 1994832, 2147215, 2208564, 2216480, 2453960, 2493540, 2576658, 2760705, 2849760, 2944752, 3324720, 3435544, 3680940, 3864987, 3989664, 4294430, 4417128, 4907920, 4987080, 5153316, 5521410, 5889504, 6441645, 6649440, 6871088, 7361880, 7729974, 8588860, 8834256, 9815840, 9974160, 10306632, 11042820, 12883290, 13742176, 14723760, 15459948, 17177720, 17668512, 19324935, 19948320, 20613264, 22085640, 25766580, 29447520, 30919896, 34355440, 38649870, 41226528, 44171280, 51533160, 61839792, 68710880, 77299740, 88342560, 103066320, 123679584, 154599480, 206132640, 309198960, 618397920]

約数ペア:

[(1, 618397920), (2, 309198960), (3, 206132640), (4, 154599480), (5, 123679584), (6, 103066320), (7, 88342560), (8, 77299740), (9, 68710880), (10, 61839792), (12, 51533160), (14, 44171280), (15, 41226528), (16, 38649870), (18, 34355440), (20, 30919896), (21, 29447520), (24, 25766580), (28, 22085640), (30, 20613264), (31, 19948320), (32, 19324935), (35, 17668512), (36, 17177720), (40, 15459948), (42, 14723760), (45, 13742176), (48, 12883290), (56, 11042820), (60, 10306632), (62, 9974160), (63, 9815840), (70, 8834256), (72, 8588860), (80, 7729974), (84, 7361880), (90, 6871088), (93, 6649440), (96, 6441645), (105, 5889504), (112, 5521410), (120, 5153316), (124, 4987080), (126, 4907920), (140, 4417128), (144, 4294430), (155, 3989664), (160, 3864987), (168, 3680940), (180, 3435544), (186, 3324720), (210, 2944752), (217, 2849760), (224, 2760705), (240, 2576658), (248, 2493540), (252, 2453960), (279, 2216480), (280, 2208564), (288, 2147215), (310, 1994832), (315, 1963168), (336, 1840470), (360, 1717772), (372, 1662360), (420, 1472376), (434, 1424880), (465, 1329888), (480, 1288329), (496, 1246770), (504, 1226980), (558, 1108240), (560, 1104282), (620, 997416), (630, 981584), (651, 949920), (672, 920235), (720, 858886), (744, 831180), (840, 736188), (868, 712440), (930, 664944), (992, 623385), (1008, 613490), (1085, 569952), (1116, 554120), (1120, 552141), (1240, 498708), (1260, 490792), (1302, 474960), (1395, 443296), (1440, 429443), (1488, 415590), (1680, 368094), (1736, 356220), (1860, 332472), (1953, 316640), (1979, 312480), (2016, 306745), (2170, 284976), (2232, 277060), (2480, 249354), (2520, 245396), (2604, 237480), (2790, 221648), (2976, 207795), (3255, 189984), (3360, 184047), (3472, 178110), (3720, 166236), (3906, 158320), (3958, 156240), (4340, 142488), (4464, 138530), (4960, 124677), (5040, 122698), (5208, 118740), (5580, 110824), (5937, 104160), (6510, 94992), (6944, 89055), (7440, 83118), (7812, 79160), (7916, 78120), (8680, 71244), (8928, 69265), (9765, 63328), (9895, 62496), (10080, 61349), (10416, 59370), (11160, 55412), (11874, 52080), (13020, 47496), (13853, 44640), (14880, 41559), (15624, 39580), (15832, 39060), (17360, 35622), (17811, 34720), (19530, 31664), (19790, 31248), (20832, 29685), (22320, 27706), (23748, 26040)]