681587280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2170

約数の個数: 240

約数和(自身を含む): 2559211200

約数和(自身を除く): 1877623920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 41, 44, 45, 48, 55, 60, 66, 72, 80, 82, 88, 90, 99, 110, 120, 123, 132, 144, 164, 165, 176, 180, 198, 205, 220, 240, 246, 264, 328, 330, 360, 369, 396, 410, 440, 451, 492, 495, 528, 615, 656, 660, 720, 738, 792, 820, 880, 902, 984, 990, 1230, 1320, 1353, 1476, 1584, 1640, 1804, 1845, 1968, 1980, 2099, 2255, 2460, 2640, 2706, 2952, 3280, 3608, 3690, 3960, 4059, 4198, 4510, 4920, 5412, 5904, 6297, 6765, 7216, 7380, 7920, 8118, 8396, 9020, 9840, 10495, 10824, 12594, 13530, 14760, 16236, 16792, 18040, 18891, 20295, 20990, 21648, 23089, 25188, 27060, 29520, 31485, 32472, 33584, 36080, 37782, 40590, 41980, 46178, 50376, 54120, 62970, 64944, 69267, 75564, 81180, 83960, 86059, 92356, 94455, 100752, 108240, 115445, 125940, 138534, 151128, 162360, 167920, 172118, 184712, 188910, 207801, 230890, 251880, 258177, 277068, 302256, 324720, 344236, 346335, 369424, 377820, 415602, 430295, 461780, 503760, 516354, 554136, 688472, 692670, 755640, 774531, 831204, 860590, 923560, 946649, 1032708, 1039005, 1108272, 1290885, 1376944, 1385340, 1511280, 1549062, 1662408, 1721180, 1847120, 1893298, 2065416, 2078010, 2581770, 2770680, 2839947, 3098124, 3324816, 3442360, 3786596, 3872655, 4130832, 4156020, 4733245, 5163540, 5541360, 5679894, 6196248, 6884720, 7573192, 7745310, 8312040, 8519841, 9466490, 10327080, 11359788, 12392496, 14199735, 15146384, 15490620, 16624080, 17039682, 18932980, 20654160, 22719576, 28399470, 30981240, 34079364, 37865960, 42599205, 45439152, 56798940, 61962480, 68158728, 75731920, 85198410, 113597880, 136317456, 170396820, 227195760, 340793640, 681587280]

約数ペア:

[(1, 681587280), (2, 340793640), (3, 227195760), (4, 170396820), (5, 136317456), (6, 113597880), (8, 85198410), (9, 75731920), (10, 68158728), (11, 61962480), (12, 56798940), (15, 45439152), (16, 42599205), (18, 37865960), (20, 34079364), (22, 30981240), (24, 28399470), (30, 22719576), (33, 20654160), (36, 18932980), (40, 17039682), (41, 16624080), (44, 15490620), (45, 15146384), (48, 14199735), (55, 12392496), (60, 11359788), (66, 10327080), (72, 9466490), (80, 8519841), (82, 8312040), (88, 7745310), (90, 7573192), (99, 6884720), (110, 6196248), (120, 5679894), (123, 5541360), (132, 5163540), (144, 4733245), (164, 4156020), (165, 4130832), (176, 3872655), (180, 3786596), (198, 3442360), (205, 3324816), (220, 3098124), (240, 2839947), (246, 2770680), (264, 2581770), (328, 2078010), (330, 2065416), (360, 1893298), (369, 1847120), (396, 1721180), (410, 1662408), (440, 1549062), (451, 1511280), (492, 1385340), (495, 1376944), (528, 1290885), (615, 1108272), (656, 1039005), (660, 1032708), (720, 946649), (738, 923560), (792, 860590), (820, 831204), (880, 774531), (902, 755640), (984, 692670), (990, 688472), (1230, 554136), (1320, 516354), (1353, 503760), (1476, 461780), (1584, 430295), (1640, 415602), (1804, 377820), (1845, 369424), (1968, 346335), (1980, 344236), (2099, 324720), (2255, 302256), (2460, 277068), (2640, 258177), (2706, 251880), (2952, 230890), (3280, 207801), (3608, 188910), (3690, 184712), (3960, 172118), (4059, 167920), (4198, 162360), (4510, 151128), (4920, 138534), (5412, 125940), (5904, 115445), (6297, 108240), (6765, 100752), (7216, 94455), (7380, 92356), (7920, 86059), (8118, 83960), (8396, 81180), (9020, 75564), (9840, 69267), (10495, 64944), (10824, 62970), (12594, 54120), (13530, 50376), (14760, 46178), (16236, 41980), (16792, 40590), (18040, 37782), (18891, 36080), (20295, 33584), (20990, 32472), (21648, 31485), (23089, 29520), (25188, 27060)]