12810053120

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 240

約数和(自身を含む): 32766902784

約数和(自身を除く): 19956849664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 127, 128, 155, 160, 164, 205, 248, 254, 256, 310, 320, 328, 410, 496, 508, 512, 620, 635, 640, 656, 820, 961, 992, 1016, 1240, 1270, 1271, 1280, 1312, 1640, 1922, 1984, 2032, 2480, 2540, 2542, 2560, 2624, 3280, 3844, 3937, 3968, 4064, 4805, 4960, 5080, 5084, 5207, 5248, 6355, 6560, 7688, 7874, 7936, 8128, 9610, 9920, 10160, 10168, 10414, 10496, 12710, 13120, 15376, 15748, 15872, 16256, 19220, 19685, 19840, 20320, 20336, 20828, 20992, 25420, 26035, 26240, 30752, 31496, 32512, 38440, 39370, 39401, 39680, 40640, 40672, 41656, 50840, 52070, 52480, 61504, 62992, 65024, 76880, 78740, 78802, 79360, 81280, 81344, 83312, 101680, 104140, 104960, 122047, 123008, 125984, 153760, 157480, 157604, 161417, 162560, 162688, 166624, 197005, 203360, 208280, 244094, 246016, 251968, 307520, 314960, 315208, 322834, 325120, 325376, 333248, 394010, 406720, 416560, 488188, 492032, 503936, 610235, 615040, 629920, 630416, 645668, 650752, 666496, 788020, 807085, 813440, 833120, 976376, 1007872, 1220470, 1230080, 1259840, 1260832, 1291336, 1332992, 1576040, 1614170, 1626880, 1666240, 1952752, 2015744, 2440940, 2460160, 2519680, 2521664, 2582672, 2665984, 3152080, 3228340, 3253760, 3332480, 3905504, 4881880, 5003927, 5039360, 5043328, 5165344, 6304160, 6456680, 6664960, 7811008, 9763760, 10007854, 10078720, 10086656, 10330688, 12608320, 12913360, 13329920, 15622016, 19527520, 20015708, 20173312, 20661376, 25019635, 25216640, 25826720, 31244032, 39055040, 40031416, 41322752, 50039270, 50433280, 51653440, 62488064, 78110080, 80062832, 82645504, 100078540, 100866560, 103306880, 156220160, 160125664, 200157080, 206613760, 312440320, 320251328, 400314160, 413227520, 640502656, 800628320, 1281005312, 1601256640, 2562010624, 3202513280, 6405026560, 12810053120]

約数ペア:

[(1, 12810053120), (2, 6405026560), (4, 3202513280), (5, 2562010624), (8, 1601256640), (10, 1281005312), (16, 800628320), (20, 640502656), (31, 413227520), (32, 400314160), (40, 320251328), (41, 312440320), (62, 206613760), (64, 200157080), (80, 160125664), (82, 156220160), (124, 103306880), (127, 100866560), (128, 100078540), (155, 82645504), (160, 80062832), (164, 78110080), (205, 62488064), (248, 51653440), (254, 50433280), (256, 50039270), (310, 41322752), (320, 40031416), (328, 39055040), (410, 31244032), (496, 25826720), (508, 25216640), (512, 25019635), (620, 20661376), (635, 20173312), (640, 20015708), (656, 19527520), (820, 15622016), (961, 13329920), (992, 12913360), (1016, 12608320), (1240, 10330688), (1270, 10086656), (1271, 10078720), (1280, 10007854), (1312, 9763760), (1640, 7811008), (1922, 6664960), (1984, 6456680), (2032, 6304160), (2480, 5165344), (2540, 5043328), (2542, 5039360), (2560, 5003927), (2624, 4881880), (3280, 3905504), (3844, 3332480), (3937, 3253760), (3968, 3228340), (4064, 3152080), (4805, 2665984), (4960, 2582672), (5080, 2521664), (5084, 2519680), (5207, 2460160), (5248, 2440940), (6355, 2015744), (6560, 1952752), (7688, 1666240), (7874, 1626880), (7936, 1614170), (8128, 1576040), (9610, 1332992), (9920, 1291336), (10160, 1260832), (10168, 1259840), (10414, 1230080), (10496, 1220470), (12710, 1007872), (13120, 976376), (15376, 833120), (15748, 813440), (15872, 807085), (16256, 788020), (19220, 666496), (19685, 650752), (19840, 645668), (20320, 630416), (20336, 629920), (20828, 615040), (20992, 610235), (25420, 503936), (26035, 492032), (26240, 488188), (30752, 416560), (31496, 406720), (32512, 394010), (38440, 333248), (39370, 325376), (39401, 325120), (39680, 322834), (40640, 315208), (40672, 314960), (41656, 307520), (50840, 251968), (52070, 246016), (52480, 244094), (61504, 208280), (62992, 203360), (65024, 197005), (76880, 166624), (78740, 162688), (78802, 162560), (79360, 161417), (81280, 157604), (81344, 157480), (83312, 153760), (101680, 125984), (104140, 123008), (104960, 122047)]