1280481840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1648

約数の個数: 240

約数和(自身を含む): 4738196736

約数和(自身を除く): 3457714896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 107, 110, 120, 132, 144, 165, 176, 180, 198, 214, 220, 240, 264, 321, 330, 360, 396, 428, 440, 495, 528, 535, 642, 660, 720, 792, 856, 880, 963, 990, 1070, 1177, 1284, 1320, 1511, 1584, 1605, 1712, 1926, 1980, 2140, 2354, 2568, 2640, 3022, 3210, 3531, 3852, 3960, 4280, 4533, 4708, 4815, 5136, 5885, 6044, 6420, 7062, 7555, 7704, 7920, 8560, 9066, 9416, 9630, 10593, 11770, 12088, 12840, 13599, 14124, 15110, 15408, 16621, 17655, 18132, 18832, 19260, 21186, 22665, 23540, 24176, 25680, 27198, 28248, 30220, 33242, 35310, 36264, 38520, 42372, 45330, 47080, 49863, 52965, 54396, 56496, 60440, 66484, 67995, 70620, 72528, 77040, 83105, 84744, 90660, 94160, 99726, 105930, 108792, 120880, 132968, 135990, 141240, 149589, 161677, 166210, 169488, 181320, 199452, 211860, 217584, 249315, 265936, 271980, 282480, 299178, 323354, 332420, 362640, 398904, 423720, 485031, 498630, 543960, 598356, 646708, 664840, 747945, 797808, 808385, 847440, 970062, 997260, 1087920, 1196712, 1293416, 1329680, 1455093, 1495890, 1616770, 1778447, 1940124, 1994520, 2393424, 2425155, 2586832, 2910186, 2991780, 3233540, 3556894, 3880248, 3989040, 4850310, 5335341, 5820372, 5983560, 6467080, 7113788, 7275465, 7760496, 8892235, 9700620, 10670682, 11640744, 11967120, 12934160, 14227576, 14550930, 16006023, 17784470, 19401240, 21341364, 23281488, 26676705, 28455152, 29101860, 32012046, 35568940, 38802480, 42682728, 53353410, 58203720, 64024092, 71137880, 80030115, 85365456, 106706820, 116407440, 128048184, 142275760, 160060230, 213413640, 256096368, 320120460, 426827280, 640240920, 1280481840]

約数ペア:

[(1, 1280481840), (2, 640240920), (3, 426827280), (4, 320120460), (5, 256096368), (6, 213413640), (8, 160060230), (9, 142275760), (10, 128048184), (11, 116407440), (12, 106706820), (15, 85365456), (16, 80030115), (18, 71137880), (20, 64024092), (22, 58203720), (24, 53353410), (30, 42682728), (33, 38802480), (36, 35568940), (40, 32012046), (44, 29101860), (45, 28455152), (48, 26676705), (55, 23281488), (60, 21341364), (66, 19401240), (72, 17784470), (80, 16006023), (88, 14550930), (90, 14227576), (99, 12934160), (107, 11967120), (110, 11640744), (120, 10670682), (132, 9700620), (144, 8892235), (165, 7760496), (176, 7275465), (180, 7113788), (198, 6467080), (214, 5983560), (220, 5820372), (240, 5335341), (264, 4850310), (321, 3989040), (330, 3880248), (360, 3556894), (396, 3233540), (428, 2991780), (440, 2910186), (495, 2586832), (528, 2425155), (535, 2393424), (642, 1994520), (660, 1940124), (720, 1778447), (792, 1616770), (856, 1495890), (880, 1455093), (963, 1329680), (990, 1293416), (1070, 1196712), (1177, 1087920), (1284, 997260), (1320, 970062), (1511, 847440), (1584, 808385), (1605, 797808), (1712, 747945), (1926, 664840), (1980, 646708), (2140, 598356), (2354, 543960), (2568, 498630), (2640, 485031), (3022, 423720), (3210, 398904), (3531, 362640), (3852, 332420), (3960, 323354), (4280, 299178), (4533, 282480), (4708, 271980), (4815, 265936), (5136, 249315), (5885, 217584), (6044, 211860), (6420, 199452), (7062, 181320), (7555, 169488), (7704, 166210), (7920, 161677), (8560, 149589), (9066, 141240), (9416, 135990), (9630, 132968), (10593, 120880), (11770, 108792), (12088, 105930), (12840, 99726), (13599, 94160), (14124, 90660), (15110, 84744), (15408, 83105), (16621, 77040), (17655, 72528), (18132, 70620), (18832, 67995), (19260, 66484), (21186, 60440), (22665, 56496), (23540, 54396), (24176, 52965), (25680, 49863), (27198, 47080), (28248, 45330), (30220, 42372), (33242, 38520), (35310, 36264)]