209457360

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{1979}}^1$

素因数の和:2015

約数の個数: 240

約数和(自身を含む): 839678400

約数和(自身を除く): 630221040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 1979, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 3958, 4410, 5040, 5292, 5880, 5937, 6615, 7056, 7560, 7916, 8820, 9895, 10584, 11760, 11874, 13230, 13853, 15120, 15832, 17640, 17811, 19790, 21168, 23748, 26460, 27706, 29685, 31664, 35280, 35622, 39580, 41559, 47496, 52920, 53433, 55412, 59370, 69265, 71244, 79160, 83118, 89055, 94992, 96971, 105840, 106866, 110824, 118740, 124677, 138530, 142488, 158320, 166236, 178110, 193942, 207795, 213732, 221648, 237480, 249354, 267165, 277060, 284976, 290913, 332472, 356220, 374031, 387884, 415590, 427464, 474960, 484855, 498708, 534330, 554120, 581826, 623385, 664944, 712440, 748062, 775768, 831180, 854928, 872739, 969710, 997416, 1068660, 1108240, 1163652, 1246770, 1424880, 1454565, 1496124, 1551536, 1662360, 1745478, 1870155, 1939420, 1994832, 2137320, 2327304, 2493540, 2618217, 2909130, 2992248, 3324720, 3490956, 3740310, 3878840, 4274640, 4363695, 4654608, 4987080, 5236434, 5818260, 5984496, 6981912, 7480620, 7757680, 8727390, 9974160, 10472868, 11636520, 13091085, 13963824, 14961240, 17454780, 20945736, 23273040, 26182170, 29922480, 34909560, 41891472, 52364340, 69819120, 104728680, 209457360]

約数ペア:

[(1, 209457360), (2, 104728680), (3, 69819120), (4, 52364340), (5, 41891472), (6, 34909560), (7, 29922480), (8, 26182170), (9, 23273040), (10, 20945736), (12, 17454780), (14, 14961240), (15, 13963824), (16, 13091085), (18, 11636520), (20, 10472868), (21, 9974160), (24, 8727390), (27, 7757680), (28, 7480620), (30, 6981912), (35, 5984496), (36, 5818260), (40, 5236434), (42, 4987080), (45, 4654608), (48, 4363695), (49, 4274640), (54, 3878840), (56, 3740310), (60, 3490956), (63, 3324720), (70, 2992248), (72, 2909130), (80, 2618217), (84, 2493540), (90, 2327304), (98, 2137320), (105, 1994832), (108, 1939420), (112, 1870155), (120, 1745478), (126, 1662360), (135, 1551536), (140, 1496124), (144, 1454565), (147, 1424880), (168, 1246770), (180, 1163652), (189, 1108240), (196, 1068660), (210, 997416), (216, 969710), (240, 872739), (245, 854928), (252, 831180), (270, 775768), (280, 748062), (294, 712440), (315, 664944), (336, 623385), (360, 581826), (378, 554120), (392, 534330), (420, 498708), (432, 484855), (441, 474960), (490, 427464), (504, 415590), (540, 387884), (560, 374031), (588, 356220), (630, 332472), (720, 290913), (735, 284976), (756, 277060), (784, 267165), (840, 249354), (882, 237480), (945, 221648), (980, 213732), (1008, 207795), (1080, 193942), (1176, 178110), (1260, 166236), (1323, 158320), (1470, 142488), (1512, 138530), (1680, 124677), (1764, 118740), (1890, 110824), (1960, 106866), (1979, 105840), (2160, 96971), (2205, 94992), (2352, 89055), (2520, 83118), (2646, 79160), (2940, 71244), (3024, 69265), (3528, 59370), (3780, 55412), (3920, 53433), (3958, 52920), (4410, 47496), (5040, 41559), (5292, 39580), (5880, 35622), (5937, 35280), (6615, 31664), (7056, 29685), (7560, 27706), (7916, 26460), (8820, 23748), (9895, 21168), (10584, 19790), (11760, 17811), (11874, 17640), (13230, 15832), (13853, 15120)]