261111398912

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:979

約数の個数: 320

約数和(自身を含む): 666161362944

約数和(自身を除く): 405049964032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 256, 293, 364, 403, 416, 434, 448, 496, 512, 586, 617, 728, 806, 832, 868, 896, 992, 1172, 1234, 1456, 1612, 1664, 1736, 1792, 1984, 2051, 2344, 2468, 2821, 2912, 3224, 3328, 3472, 3584, 3809, 3968, 4102, 4319, 4688, 4936, 5642, 5824, 6448, 6656, 6944, 7618, 7936, 8021, 8204, 8638, 9083, 9376, 9872, 11284, 11648, 12896, 13888, 15236, 15872, 16042, 16408, 17276, 18166, 18752, 19127, 19744, 22568, 23296, 25792, 26663, 27776, 30472, 32084, 32816, 34552, 36332, 37504, 38254, 39488, 45136, 46592, 51584, 53326, 55552, 56147, 60944, 63581, 64168, 65632, 69104, 72664, 75008, 76508, 78976, 90272, 103168, 106652, 111104, 112294, 118079, 121888, 127162, 128336, 131264, 133889, 138208, 145328, 150016, 153016, 157952, 180544, 180781, 206336, 213304, 224588, 236158, 243776, 248651, 254324, 256672, 262528, 267778, 276416, 290656, 306032, 315904, 361088, 361562, 426608, 449176, 472316, 487552, 497302, 508648, 513344, 525056, 535556, 552832, 581312, 612064, 722176, 723124, 826553, 853216, 898352, 944632, 975104, 994604, 1017296, 1026688, 1050112, 1071112, 1105664, 1162624, 1224128, 1265467, 1444352, 1446248, 1653106, 1706432, 1740557, 1796704, 1889264, 1950208, 1989208, 2034592, 2053376, 2142224, 2211328, 2325248, 2350153, 2448256, 2530934, 2892496, 3306212, 3412864, 3481114, 3593408, 3778528, 3978416, 4069184, 4106752, 4284448, 4650496, 4700306, 4896512, 5061868, 5604211, 5784992, 6612424, 6825728, 6962228, 7186816, 7557056, 7956832, 8138368, 8568896, 9400612, 9793024, 10123736, 11208422, 11569984, 13224848, 13651456, 13924456, 14373632, 15114112, 15913664, 16276736, 16451071, 17137792, 18801224, 20247472, 22416844, 23139968, 26449696, 27848912, 28747264, 30228224, 31827328, 32553472, 32902142, 34275584, 37602448, 39229477, 40494944, 44833688, 46279936, 52899392, 55697824, 60456448, 63654656, 65804284, 68551168, 72854743, 75204896, 78458954, 80989888, 89667376, 92559872, 105798784, 111395648, 127309312, 131608568, 145709486, 150409792, 156917908, 161979776, 179334752, 211597568, 222791296, 263217136, 291418972, 300819584, 313835816, 323959552, 358669504, 423195136, 445582592, 509983201, 526434272, 582837944, 601639168, 627671632, 647919104, 717339008, 891165184, 1019966402, 1052868544, 1165675888, 1203278336, 1255343264, 1434678016, 2039932804, 2105737088, 2331351776, 2510686528, 2869356032, 4079865608, 4211474176, 4662703552, 5021373056, 8159731216, 8422948352, 9325407104, 10042746112, 16319462432, 18650814208, 20085492224, 32638924864, 37301628416, 65277849728, 130555699456, 261111398912]

約数ペア:

[(1, 261111398912), (2, 130555699456), (4, 65277849728), (7, 37301628416), (8, 32638924864), (13, 20085492224), (14, 18650814208), (16, 16319462432), (26, 10042746112), (28, 9325407104), (31, 8422948352), (32, 8159731216), (52, 5021373056), (56, 4662703552), (62, 4211474176), (64, 4079865608), (91, 2869356032), (104, 2510686528), (112, 2331351776), (124, 2105737088), (128, 2039932804), (182, 1434678016), (208, 1255343264), (217, 1203278336), (224, 1165675888), (248, 1052868544), (256, 1019966402), (293, 891165184), (364, 717339008), (403, 647919104), (416, 627671632), (434, 601639168), (448, 582837944), (496, 526434272), (512, 509983201), (586, 445582592), (617, 423195136), (728, 358669504), (806, 323959552), (832, 313835816), (868, 300819584), (896, 291418972), (992, 263217136), (1172, 222791296), (1234, 211597568), (1456, 179334752), (1612, 161979776), (1664, 156917908), (1736, 150409792), (1792, 145709486), (1984, 131608568), (2051, 127309312), (2344, 111395648), (2468, 105798784), (2821, 92559872), (2912, 89667376), (3224, 80989888), (3328, 78458954), (3472, 75204896), (3584, 72854743), (3809, 68551168), (3968, 65804284), (4102, 63654656), (4319, 60456448), (4688, 55697824), (4936, 52899392), (5642, 46279936), (5824, 44833688), (6448, 40494944), (6656, 39229477), (6944, 37602448), (7618, 34275584), (7936, 32902142), (8021, 32553472), (8204, 31827328), (8638, 30228224), (9083, 28747264), (9376, 27848912), (9872, 26449696), (11284, 23139968), (11648, 22416844), (12896, 20247472), (13888, 18801224), (15236, 17137792), (15872, 16451071), (16042, 16276736), (16408, 15913664), (17276, 15114112), (18166, 14373632), (18752, 13924456), (19127, 13651456), (19744, 13224848), (22568, 11569984), (23296, 11208422), (25792, 10123736), (26663, 9793024), (27776, 9400612), (30472, 8568896), (32084, 8138368), (32816, 7956832), (34552, 7557056), (36332, 7186816), (37504, 6962228), (38254, 6825728), (39488, 6612424), (45136, 5784992), (46592, 5604211), (51584, 5061868), (53326, 4896512), (55552, 4700306), (56147, 4650496), (60944, 4284448), (63581, 4106752), (64168, 4069184), (65632, 3978416), (69104, 3778528), (72664, 3593408), (75008, 3481114), (76508, 3412864), (78976, 3306212), (90272, 2892496), (103168, 2530934), (106652, 2448256), (111104, 2350153), (112294, 2325248), (118079, 2211328), (121888, 2142224), (127162, 2053376), (128336, 2034592), (131264, 1989208), (133889, 1950208), (138208, 1889264), (145328, 1796704), (150016, 1740557), (153016, 1706432), (157952, 1653106), (180544, 1446248), (180781, 1444352), (206336, 1265467), (213304, 1224128), (224588, 1162624), (236158, 1105664), (243776, 1071112), (248651, 1050112), (254324, 1026688), (256672, 1017296), (262528, 994604), (267778, 975104), (276416, 944632), (290656, 898352), (306032, 853216), (315904, 826553), (361088, 723124), (361562, 722176), (426608, 612064), (449176, 581312), (472316, 552832), (487552, 535556), (497302, 525056), (508648, 513344)]