256364640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 288

約数和(自身を含む): 1035478080

約数和(自身を除く): 779113440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 140, 144, 145, 160, 168, 174, 180, 203, 210, 224, 232, 240, 252, 261, 280, 288, 290, 315, 336, 348, 360, 406, 420, 435, 464, 480, 504, 522, 560, 580, 609, 630, 672, 696, 720, 812, 840, 870, 877, 928, 1008, 1015, 1044, 1120, 1160, 1218, 1260, 1305, 1392, 1440, 1624, 1680, 1740, 1754, 1827, 2016, 2030, 2088, 2320, 2436, 2520, 2610, 2631, 2784, 3045, 3248, 3360, 3480, 3508, 3654, 4060, 4176, 4385, 4640, 4872, 5040, 5220, 5262, 6090, 6139, 6496, 6960, 7016, 7308, 7893, 8120, 8352, 8770, 9135, 9744, 10080, 10440, 10524, 12180, 12278, 13155, 13920, 14032, 14616, 15786, 16240, 17540, 18270, 18417, 19488, 20880, 21048, 24360, 24556, 25433, 26310, 28064, 29232, 30695, 31572, 32480, 35080, 36540, 36834, 39465, 41760, 42096, 48720, 49112, 50866, 52620, 55251, 58464, 61390, 63144, 70160, 73080, 73668, 76299, 78930, 84192, 92085, 97440, 98224, 101732, 105240, 110502, 122780, 126288, 127165, 140320, 146160, 147336, 152598, 157860, 178031, 184170, 196448, 203464, 210480, 221004, 228897, 245560, 252576, 254330, 276255, 292320, 294672, 305196, 315720, 356062, 368340, 381495, 406928, 420960, 442008, 457794, 491120, 508660, 534093, 552510, 589344, 610392, 631440, 712124, 736680, 762990, 813856, 884016, 890155, 915588, 982240, 1017320, 1068186, 1105020, 1144485, 1220784, 1262880, 1424248, 1473360, 1525980, 1602279, 1768032, 1780310, 1831176, 2034640, 2136372, 2210040, 2288970, 2441568, 2670465, 2848496, 2946720, 3051960, 3204558, 3560620, 3662352, 4069280, 4272744, 4420080, 4577940, 5340930, 5696992, 6103920, 6409116, 7121240, 7324704, 8011395, 8545488, 8840160, 9155880, 10681860, 12207840, 12818232, 14242480, 16022790, 17090976, 18311760, 21363720, 25636464, 28484960, 32045580, 36623520, 42727440, 51272928, 64091160, 85454880, 128182320, 256364640]

約数ペア:

[(1, 256364640), (2, 128182320), (3, 85454880), (4, 64091160), (5, 51272928), (6, 42727440), (7, 36623520), (8, 32045580), (9, 28484960), (10, 25636464), (12, 21363720), (14, 18311760), (15, 17090976), (16, 16022790), (18, 14242480), (20, 12818232), (21, 12207840), (24, 10681860), (28, 9155880), (29, 8840160), (30, 8545488), (32, 8011395), (35, 7324704), (36, 7121240), (40, 6409116), (42, 6103920), (45, 5696992), (48, 5340930), (56, 4577940), (58, 4420080), (60, 4272744), (63, 4069280), (70, 3662352), (72, 3560620), (80, 3204558), (84, 3051960), (87, 2946720), (90, 2848496), (96, 2670465), (105, 2441568), (112, 2288970), (116, 2210040), (120, 2136372), (126, 2034640), (140, 1831176), (144, 1780310), (145, 1768032), (160, 1602279), (168, 1525980), (174, 1473360), (180, 1424248), (203, 1262880), (210, 1220784), (224, 1144485), (232, 1105020), (240, 1068186), (252, 1017320), (261, 982240), (280, 915588), (288, 890155), (290, 884016), (315, 813856), (336, 762990), (348, 736680), (360, 712124), (406, 631440), (420, 610392), (435, 589344), (464, 552510), (480, 534093), (504, 508660), (522, 491120), (560, 457794), (580, 442008), (609, 420960), (630, 406928), (672, 381495), (696, 368340), (720, 356062), (812, 315720), (840, 305196), (870, 294672), (877, 292320), (928, 276255), (1008, 254330), (1015, 252576), (1044, 245560), (1120, 228897), (1160, 221004), (1218, 210480), (1260, 203464), (1305, 196448), (1392, 184170), (1440, 178031), (1624, 157860), (1680, 152598), (1740, 147336), (1754, 146160), (1827, 140320), (2016, 127165), (2030, 126288), (2088, 122780), (2320, 110502), (2436, 105240), (2520, 101732), (2610, 98224), (2631, 97440), (2784, 92085), (3045, 84192), (3248, 78930), (3360, 76299), (3480, 73668), (3508, 73080), (3654, 70160), (4060, 63144), (4176, 61390), (4385, 58464), (4640, 55251), (4872, 52620), (5040, 50866), (5220, 49112), (5262, 48720), (6090, 42096), (6139, 41760), (6496, 39465), (6960, 36834), (7016, 36540), (7308, 35080), (7893, 32480), (8120, 31572), (8352, 30695), (8770, 29232), (9135, 28064), (9744, 26310), (10080, 25433), (10440, 24556), (10524, 24360), (12180, 21048), (12278, 20880), (13155, 19488), (13920, 18417), (14032, 18270), (14616, 17540), (15786, 16240)]