255893760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 216

約数和(自身を含む): 898399320

約数和(自身を除く): 642505560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 128, 144, 160, 180, 192, 194, 229, 240, 256, 288, 291, 320, 360, 384, 388, 458, 480, 485, 576, 582, 640, 687, 720, 768, 776, 873, 916, 960, 970, 1145, 1152, 1164, 1280, 1374, 1440, 1455, 1552, 1746, 1832, 1920, 1940, 2061, 2290, 2304, 2328, 2748, 2880, 2910, 3104, 3435, 3492, 3664, 3840, 3880, 4122, 4365, 4580, 4656, 5496, 5760, 5820, 6208, 6870, 6984, 7328, 7760, 8244, 8730, 9160, 9312, 10305, 10992, 11520, 11640, 12416, 13740, 13968, 14656, 15520, 16488, 17460, 18320, 18624, 20610, 21984, 22213, 23280, 24832, 27480, 27936, 29312, 31040, 32976, 34920, 36640, 37248, 41220, 43968, 44426, 46560, 54960, 55872, 58624, 62080, 65952, 66639, 69840, 73280, 74496, 82440, 87936, 88852, 93120, 109920, 111065, 111744, 124160, 131904, 133278, 139680, 146560, 164880, 175872, 177704, 186240, 199917, 219840, 222130, 223488, 263808, 266556, 279360, 293120, 329760, 333195, 355408, 372480, 399834, 439680, 444260, 527616, 533112, 558720, 659520, 666390, 710816, 799668, 879360, 888520, 999585, 1066224, 1117440, 1319040, 1332780, 1421632, 1599336, 1777040, 1999170, 2132448, 2638080, 2665560, 2843264, 3198672, 3554080, 3998340, 4264896, 5331120, 5686528, 6397344, 7108160, 7996680, 8529792, 10662240, 12794688, 14216320, 15993360, 17059584, 21324480, 25589376, 28432640, 31986720, 42648960, 51178752, 63973440, 85297920, 127946880, 255893760]

約数ペア:

[(1, 255893760), (2, 127946880), (3, 85297920), (4, 63973440), (5, 51178752), (6, 42648960), (8, 31986720), (9, 28432640), (10, 25589376), (12, 21324480), (15, 17059584), (16, 15993360), (18, 14216320), (20, 12794688), (24, 10662240), (30, 8529792), (32, 7996680), (36, 7108160), (40, 6397344), (45, 5686528), (48, 5331120), (60, 4264896), (64, 3998340), (72, 3554080), (80, 3198672), (90, 2843264), (96, 2665560), (97, 2638080), (120, 2132448), (128, 1999170), (144, 1777040), (160, 1599336), (180, 1421632), (192, 1332780), (194, 1319040), (229, 1117440), (240, 1066224), (256, 999585), (288, 888520), (291, 879360), (320, 799668), (360, 710816), (384, 666390), (388, 659520), (458, 558720), (480, 533112), (485, 527616), (576, 444260), (582, 439680), (640, 399834), (687, 372480), (720, 355408), (768, 333195), (776, 329760), (873, 293120), (916, 279360), (960, 266556), (970, 263808), (1145, 223488), (1152, 222130), (1164, 219840), (1280, 199917), (1374, 186240), (1440, 177704), (1455, 175872), (1552, 164880), (1746, 146560), (1832, 139680), (1920, 133278), (1940, 131904), (2061, 124160), (2290, 111744), (2304, 111065), (2328, 109920), (2748, 93120), (2880, 88852), (2910, 87936), (3104, 82440), (3435, 74496), (3492, 73280), (3664, 69840), (3840, 66639), (3880, 65952), (4122, 62080), (4365, 58624), (4580, 55872), (4656, 54960), (5496, 46560), (5760, 44426), (5820, 43968), (6208, 41220), (6870, 37248), (6984, 36640), (7328, 34920), (7760, 32976), (8244, 31040), (8730, 29312), (9160, 27936), (9312, 27480), (10305, 24832), (10992, 23280), (11520, 22213), (11640, 21984), (12416, 20610), (13740, 18624), (13968, 18320), (14656, 17460), (15520, 16488)]