280899840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 1026055296

約数和(自身を除く): 745155456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 256, 260, 272, 312, 320, 331, 340, 384, 390, 408, 416, 442, 480, 510, 520, 544, 624, 640, 662, 663, 680, 768, 780, 816, 832, 884, 960, 993, 1020, 1040, 1088, 1105, 1248, 1280, 1324, 1326, 1360, 1560, 1632, 1655, 1664, 1768, 1920, 1986, 2040, 2080, 2176, 2210, 2496, 2648, 2652, 2720, 3120, 3264, 3310, 3315, 3328, 3536, 3840, 3972, 4080, 4160, 4303, 4352, 4420, 4965, 4992, 5296, 5304, 5440, 5627, 6240, 6528, 6620, 6630, 7072, 7944, 8160, 8320, 8606, 8840, 9930, 9984, 10592, 10608, 10880, 11254, 12480, 12909, 13056, 13240, 13260, 14144, 15888, 16320, 16640, 16881, 17212, 17680, 19860, 21184, 21216, 21515, 21760, 22508, 24960, 25818, 26480, 26520, 28135, 28288, 31776, 32640, 33762, 34424, 35360, 39720, 42368, 42432, 43030, 45016, 49920, 51636, 52960, 53040, 56270, 56576, 63552, 64545, 65280, 67524, 68848, 70720, 73151, 79440, 84405, 84736, 84864, 86060, 90032, 103272, 105920, 106080, 112540, 127104, 129090, 135048, 137696, 141440, 146302, 158880, 168810, 169728, 172120, 180064, 206544, 211840, 212160, 219453, 225080, 254208, 258180, 270096, 275392, 282880, 292604, 317760, 337620, 344240, 360128, 365755, 413088, 423680, 424320, 438906, 450160, 516360, 540192, 550784, 585208, 635520, 675240, 688480, 720256, 731510, 826176, 848640, 877812, 900320, 1032720, 1080384, 1097265, 1101568, 1170416, 1271040, 1350480, 1376960, 1440512, 1463020, 1652352, 1755624, 1800640, 2065440, 2160768, 2194530, 2340832, 2700960, 2753920, 2926040, 3304704, 3511248, 3601280, 4130880, 4321536, 4389060, 4681664, 5401920, 5507840, 5852080, 7022496, 7202560, 8261760, 8778120, 9363328, 10803840, 11704160, 14044992, 16523520, 17556240, 18726656, 21607680, 23408320, 28089984, 35112480, 46816640, 56179968, 70224960, 93633280, 140449920, 280899840]

約数ペア:

[(1, 280899840), (2, 140449920), (3, 93633280), (4, 70224960), (5, 56179968), (6, 46816640), (8, 35112480), (10, 28089984), (12, 23408320), (13, 21607680), (15, 18726656), (16, 17556240), (17, 16523520), (20, 14044992), (24, 11704160), (26, 10803840), (30, 9363328), (32, 8778120), (34, 8261760), (39, 7202560), (40, 7022496), (48, 5852080), (51, 5507840), (52, 5401920), (60, 4681664), (64, 4389060), (65, 4321536), (68, 4130880), (78, 3601280), (80, 3511248), (85, 3304704), (96, 2926040), (102, 2753920), (104, 2700960), (120, 2340832), (128, 2194530), (130, 2160768), (136, 2065440), (156, 1800640), (160, 1755624), (170, 1652352), (192, 1463020), (195, 1440512), (204, 1376960), (208, 1350480), (221, 1271040), (240, 1170416), (255, 1101568), (256, 1097265), (260, 1080384), (272, 1032720), (312, 900320), (320, 877812), (331, 848640), (340, 826176), (384, 731510), (390, 720256), (408, 688480), (416, 675240), (442, 635520), (480, 585208), (510, 550784), (520, 540192), (544, 516360), (624, 450160), (640, 438906), (662, 424320), (663, 423680), (680, 413088), (768, 365755), (780, 360128), (816, 344240), (832, 337620), (884, 317760), (960, 292604), (993, 282880), (1020, 275392), (1040, 270096), (1088, 258180), (1105, 254208), (1248, 225080), (1280, 219453), (1324, 212160), (1326, 211840), (1360, 206544), (1560, 180064), (1632, 172120), (1655, 169728), (1664, 168810), (1768, 158880), (1920, 146302), (1986, 141440), (2040, 137696), (2080, 135048), (2176, 129090), (2210, 127104), (2496, 112540), (2648, 106080), (2652, 105920), (2720, 103272), (3120, 90032), (3264, 86060), (3310, 84864), (3315, 84736), (3328, 84405), (3536, 79440), (3840, 73151), (3972, 70720), (4080, 68848), (4160, 67524), (4303, 65280), (4352, 64545), (4420, 63552), (4965, 56576), (4992, 56270), (5296, 53040), (5304, 52960), (5440, 51636), (5627, 49920), (6240, 45016), (6528, 43030), (6620, 42432), (6630, 42368), (7072, 39720), (7944, 35360), (8160, 34424), (8320, 33762), (8606, 32640), (8840, 31776), (9930, 28288), (9984, 28135), (10592, 26520), (10608, 26480), (10880, 25818), (11254, 24960), (12480, 22508), (12909, 21760), (13056, 21515), (13240, 21216), (13260, 21184), (14144, 19860), (15888, 17680), (16320, 17212), (16640, 16881)]