1261244880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1274

約数の個数: 240

約数和(自身を含む): 4864938624

約数和(自身を除く): 3603693744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 251, 252, 280, 315, 336, 360, 420, 502, 504, 560, 630, 720, 753, 840, 997, 1004, 1008, 1255, 1260, 1506, 1680, 1757, 1994, 2008, 2259, 2510, 2520, 2991, 3012, 3514, 3765, 3988, 4016, 4518, 4985, 5020, 5040, 5271, 5982, 6024, 6979, 7028, 7530, 7976, 8785, 8973, 9036, 9970, 10040, 10542, 11295, 11964, 12048, 13958, 14056, 14955, 15060, 15813, 15952, 17570, 17946, 18072, 19940, 20080, 20937, 21084, 22590, 23928, 26355, 27916, 28112, 29910, 30120, 31626, 34895, 35140, 35892, 36144, 39880, 41874, 42168, 44865, 45180, 47856, 52710, 55832, 59820, 60240, 62811, 63252, 69790, 70280, 71784, 79065, 79760, 83748, 84336, 89730, 90360, 104685, 105420, 111664, 119640, 125622, 126504, 139580, 140560, 143568, 158130, 167496, 179460, 180720, 209370, 210840, 239280, 250247, 251244, 253008, 279160, 314055, 316260, 334992, 358920, 418740, 421680, 500494, 502488, 558320, 628110, 632520, 717840, 750741, 837480, 1000988, 1004976, 1251235, 1256220, 1265040, 1501482, 1674960, 1751729, 2001976, 2252223, 2502470, 2512440, 3002964, 3503458, 3753705, 4003952, 4504446, 5004940, 5024880, 5255187, 6005928, 7006916, 7507410, 8758645, 9008892, 10009880, 10510374, 11261115, 12011856, 14013832, 15014820, 15765561, 17517290, 18017784, 20019760, 21020748, 22522230, 26275935, 28027664, 30029640, 31531122, 35034580, 36035568, 42041496, 45044460, 52551870, 60059280, 63062244, 70069160, 78827805, 84082992, 90088920, 105103740, 126124488, 140138320, 157655610, 180177840, 210207480, 252248976, 315311220, 420414960, 630622440, 1261244880]

約数ペア:

[(1, 1261244880), (2, 630622440), (3, 420414960), (4, 315311220), (5, 252248976), (6, 210207480), (7, 180177840), (8, 157655610), (9, 140138320), (10, 126124488), (12, 105103740), (14, 90088920), (15, 84082992), (16, 78827805), (18, 70069160), (20, 63062244), (21, 60059280), (24, 52551870), (28, 45044460), (30, 42041496), (35, 36035568), (36, 35034580), (40, 31531122), (42, 30029640), (45, 28027664), (48, 26275935), (56, 22522230), (60, 21020748), (63, 20019760), (70, 18017784), (72, 17517290), (80, 15765561), (84, 15014820), (90, 14013832), (105, 12011856), (112, 11261115), (120, 10510374), (126, 10009880), (140, 9008892), (144, 8758645), (168, 7507410), (180, 7006916), (210, 6005928), (240, 5255187), (251, 5024880), (252, 5004940), (280, 4504446), (315, 4003952), (336, 3753705), (360, 3503458), (420, 3002964), (502, 2512440), (504, 2502470), (560, 2252223), (630, 2001976), (720, 1751729), (753, 1674960), (840, 1501482), (997, 1265040), (1004, 1256220), (1008, 1251235), (1255, 1004976), (1260, 1000988), (1506, 837480), (1680, 750741), (1757, 717840), (1994, 632520), (2008, 628110), (2259, 558320), (2510, 502488), (2520, 500494), (2991, 421680), (3012, 418740), (3514, 358920), (3765, 334992), (3988, 316260), (4016, 314055), (4518, 279160), (4985, 253008), (5020, 251244), (5040, 250247), (5271, 239280), (5982, 210840), (6024, 209370), (6979, 180720), (7028, 179460), (7530, 167496), (7976, 158130), (8785, 143568), (8973, 140560), (9036, 139580), (9970, 126504), (10040, 125622), (10542, 119640), (11295, 111664), (11964, 105420), (12048, 104685), (13958, 90360), (14056, 89730), (14955, 84336), (15060, 83748), (15813, 79760), (15952, 79065), (17570, 71784), (17946, 70280), (18072, 69790), (19940, 63252), (20080, 62811), (20937, 60240), (21084, 59820), (22590, 55832), (23928, 52710), (26355, 47856), (27916, 45180), (28112, 44865), (29910, 42168), (30120, 41874), (31626, 39880), (34895, 36144), (35140, 35892)]