256423200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{883}}^1$

素因数の和:928

約数の個数: 216

約数和(自身を含む): 918472464

約数和(自身を除く): 662049264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 121, 132, 150, 160, 165, 176, 200, 220, 240, 242, 264, 275, 300, 330, 352, 363, 400, 440, 480, 484, 528, 550, 600, 605, 660, 726, 800, 825, 880, 883, 968, 1056, 1100, 1200, 1210, 1320, 1452, 1650, 1760, 1766, 1815, 1936, 2200, 2400, 2420, 2640, 2649, 2904, 3025, 3300, 3532, 3630, 3872, 4400, 4415, 4840, 5280, 5298, 5808, 6050, 6600, 7064, 7260, 8800, 8830, 9075, 9680, 9713, 10596, 11616, 12100, 13200, 13245, 14128, 14520, 17660, 18150, 19360, 19426, 21192, 22075, 24200, 26400, 26490, 28256, 29040, 29139, 35320, 36300, 38852, 42384, 44150, 48400, 48565, 52980, 58080, 58278, 66225, 70640, 72600, 77704, 84768, 88300, 96800, 97130, 105960, 106843, 116556, 132450, 141280, 145200, 145695, 155408, 176600, 194260, 211920, 213686, 233112, 242825, 264900, 290400, 291390, 310816, 320529, 353200, 388520, 423840, 427372, 466224, 485650, 529800, 534215, 582780, 641058, 706400, 728475, 777040, 854744, 932448, 971300, 1059600, 1068430, 1165560, 1282116, 1456950, 1554080, 1602645, 1709488, 1942600, 2119200, 2136860, 2331120, 2564232, 2671075, 2913900, 3205290, 3418976, 3885200, 4273720, 4662240, 5128464, 5342150, 5827800, 6410580, 7770400, 8013225, 8547440, 10256928, 10684300, 11655600, 12821160, 16026450, 17094880, 21368600, 23311200, 25642320, 32052900, 42737200, 51284640, 64105800, 85474400, 128211600, 256423200]

約数ペア:

[(1, 256423200), (2, 128211600), (3, 85474400), (4, 64105800), (5, 51284640), (6, 42737200), (8, 32052900), (10, 25642320), (11, 23311200), (12, 21368600), (15, 17094880), (16, 16026450), (20, 12821160), (22, 11655600), (24, 10684300), (25, 10256928), (30, 8547440), (32, 8013225), (33, 7770400), (40, 6410580), (44, 5827800), (48, 5342150), (50, 5128464), (55, 4662240), (60, 4273720), (66, 3885200), (75, 3418976), (80, 3205290), (88, 2913900), (96, 2671075), (100, 2564232), (110, 2331120), (120, 2136860), (121, 2119200), (132, 1942600), (150, 1709488), (160, 1602645), (165, 1554080), (176, 1456950), (200, 1282116), (220, 1165560), (240, 1068430), (242, 1059600), (264, 971300), (275, 932448), (300, 854744), (330, 777040), (352, 728475), (363, 706400), (400, 641058), (440, 582780), (480, 534215), (484, 529800), (528, 485650), (550, 466224), (600, 427372), (605, 423840), (660, 388520), (726, 353200), (800, 320529), (825, 310816), (880, 291390), (883, 290400), (968, 264900), (1056, 242825), (1100, 233112), (1200, 213686), (1210, 211920), (1320, 194260), (1452, 176600), (1650, 155408), (1760, 145695), (1766, 145200), (1815, 141280), (1936, 132450), (2200, 116556), (2400, 106843), (2420, 105960), (2640, 97130), (2649, 96800), (2904, 88300), (3025, 84768), (3300, 77704), (3532, 72600), (3630, 70640), (3872, 66225), (4400, 58278), (4415, 58080), (4840, 52980), (5280, 48565), (5298, 48400), (5808, 44150), (6050, 42384), (6600, 38852), (7064, 36300), (7260, 35320), (8800, 29139), (8830, 29040), (9075, 28256), (9680, 26490), (9713, 26400), (10596, 24200), (11616, 22075), (12100, 21192), (13200, 19426), (13245, 19360), (14128, 18150), (14520, 17660)]