242910720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 240

約数和(自身を含む): 907098192

約数和(自身を除く): 664187472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 811, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1622, 1664, 1872, 1920, 2080, 2304, 2340, 2433, 2496, 2560, 2880, 3120, 3244, 3328, 3744, 3840, 4055, 4160, 4608, 4680, 4866, 4992, 5760, 6240, 6488, 6656, 7299, 7488, 7680, 8110, 8320, 9360, 9732, 9984, 10543, 11520, 12165, 12480, 12976, 14598, 14976, 16220, 16640, 18720, 19464, 19968, 21086, 23040, 24330, 24960, 25952, 29196, 29952, 31629, 32440, 33280, 36495, 37440, 38928, 42172, 48660, 49920, 51904, 52715, 58392, 59904, 63258, 64880, 72990, 74880, 77856, 84344, 94887, 97320, 99840, 103808, 105430, 116784, 126516, 129760, 145980, 149760, 155712, 158145, 168688, 189774, 194640, 207616, 210860, 233568, 253032, 259520, 291960, 299520, 311424, 316290, 337376, 379548, 389280, 415232, 421720, 467136, 474435, 506064, 519040, 583920, 622848, 632580, 674752, 759096, 778560, 843440, 934272, 948870, 1012128, 1038080, 1167840, 1245696, 1265160, 1349504, 1518192, 1557120, 1686880, 1868544, 1897740, 2024256, 2076160, 2335680, 2530320, 2699008, 3036384, 3114240, 3373760, 3737088, 3795480, 4048512, 4671360, 5060640, 5398016, 6072768, 6228480, 6747520, 7590960, 8097024, 9342720, 10121280, 12145536, 13495040, 15181920, 16194048, 18685440, 20242560, 24291072, 26990080, 30363840, 40485120, 48582144, 60727680, 80970240, 121455360, 242910720]

約数ペア:

[(1, 242910720), (2, 121455360), (3, 80970240), (4, 60727680), (5, 48582144), (6, 40485120), (8, 30363840), (9, 26990080), (10, 24291072), (12, 20242560), (13, 18685440), (15, 16194048), (16, 15181920), (18, 13495040), (20, 12145536), (24, 10121280), (26, 9342720), (30, 8097024), (32, 7590960), (36, 6747520), (39, 6228480), (40, 6072768), (45, 5398016), (48, 5060640), (52, 4671360), (60, 4048512), (64, 3795480), (65, 3737088), (72, 3373760), (78, 3114240), (80, 3036384), (90, 2699008), (96, 2530320), (104, 2335680), (117, 2076160), (120, 2024256), (128, 1897740), (130, 1868544), (144, 1686880), (156, 1557120), (160, 1518192), (180, 1349504), (192, 1265160), (195, 1245696), (208, 1167840), (234, 1038080), (240, 1012128), (256, 948870), (260, 934272), (288, 843440), (312, 778560), (320, 759096), (360, 674752), (384, 632580), (390, 622848), (416, 583920), (468, 519040), (480, 506064), (512, 474435), (520, 467136), (576, 421720), (585, 415232), (624, 389280), (640, 379548), (720, 337376), (768, 316290), (780, 311424), (811, 299520), (832, 291960), (936, 259520), (960, 253032), (1040, 233568), (1152, 210860), (1170, 207616), (1248, 194640), (1280, 189774), (1440, 168688), (1536, 158145), (1560, 155712), (1622, 149760), (1664, 145980), (1872, 129760), (1920, 126516), (2080, 116784), (2304, 105430), (2340, 103808), (2433, 99840), (2496, 97320), (2560, 94887), (2880, 84344), (3120, 77856), (3244, 74880), (3328, 72990), (3744, 64880), (3840, 63258), (4055, 59904), (4160, 58392), (4608, 52715), (4680, 51904), (4866, 49920), (4992, 48660), (5760, 42172), (6240, 38928), (6488, 37440), (6656, 36495), (7299, 33280), (7488, 32440), (7680, 31629), (8110, 29952), (8320, 29196), (9360, 25952), (9732, 24960), (9984, 24330), (10543, 23040), (11520, 21086), (12165, 19968), (12480, 19464), (12976, 18720), (14598, 16640), (14976, 16220)]