55278720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:492

約数の個数: 256

約数和(自身を含む): 224236800

約数和(自身を除く): 168958080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 457, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 914, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1371, 1440, 1512, 1680, 1728, 1828, 1890, 1920, 2016, 2160, 2240, 2285, 2520, 2688, 2742, 2880, 3024, 3199, 3360, 3456, 3656, 3780, 4032, 4113, 4320, 4480, 4570, 5040, 5484, 5760, 6048, 6398, 6720, 6855, 7312, 7560, 8064, 8226, 8640, 9140, 9597, 10080, 10968, 12096, 12339, 12796, 13440, 13710, 14624, 15120, 15995, 16452, 17280, 18280, 19194, 20160, 20565, 21936, 24192, 24678, 25592, 27420, 28791, 29248, 30240, 31990, 32904, 36560, 38388, 40320, 41130, 43872, 47985, 49356, 51184, 54840, 57582, 58496, 60480, 61695, 63980, 65808, 73120, 76776, 82260, 86373, 87744, 95970, 98712, 102368, 109680, 115164, 120960, 123390, 127960, 131616, 143955, 146240, 153552, 164520, 172746, 175488, 191940, 197424, 204736, 219360, 230328, 246780, 255920, 263232, 287910, 292480, 307104, 329040, 345492, 383880, 394848, 409472, 431865, 438720, 460656, 493560, 511840, 526464, 575820, 614208, 658080, 690984, 767760, 789696, 863730, 877440, 921312, 987120, 1023680, 1151640, 1228416, 1316160, 1381968, 1535520, 1579392, 1727460, 1842624, 1974240, 2047360, 2303280, 2632320, 2763936, 3071040, 3454920, 3685248, 3948480, 4606560, 5527872, 6142080, 6909840, 7896960, 9213120, 11055744, 13819680, 18426240, 27639360, 55278720]

約数ペア:

[(1, 55278720), (2, 27639360), (3, 18426240), (4, 13819680), (5, 11055744), (6, 9213120), (7, 7896960), (8, 6909840), (9, 6142080), (10, 5527872), (12, 4606560), (14, 3948480), (15, 3685248), (16, 3454920), (18, 3071040), (20, 2763936), (21, 2632320), (24, 2303280), (27, 2047360), (28, 1974240), (30, 1842624), (32, 1727460), (35, 1579392), (36, 1535520), (40, 1381968), (42, 1316160), (45, 1228416), (48, 1151640), (54, 1023680), (56, 987120), (60, 921312), (63, 877440), (64, 863730), (70, 789696), (72, 767760), (80, 690984), (84, 658080), (90, 614208), (96, 575820), (105, 526464), (108, 511840), (112, 493560), (120, 460656), (126, 438720), (128, 431865), (135, 409472), (140, 394848), (144, 383880), (160, 345492), (168, 329040), (180, 307104), (189, 292480), (192, 287910), (210, 263232), (216, 255920), (224, 246780), (240, 230328), (252, 219360), (270, 204736), (280, 197424), (288, 191940), (315, 175488), (320, 172746), (336, 164520), (360, 153552), (378, 146240), (384, 143955), (420, 131616), (432, 127960), (448, 123390), (457, 120960), (480, 115164), (504, 109680), (540, 102368), (560, 98712), (576, 95970), (630, 87744), (640, 86373), (672, 82260), (720, 76776), (756, 73120), (840, 65808), (864, 63980), (896, 61695), (914, 60480), (945, 58496), (960, 57582), (1008, 54840), (1080, 51184), (1120, 49356), (1152, 47985), (1260, 43872), (1344, 41130), (1371, 40320), (1440, 38388), (1512, 36560), (1680, 32904), (1728, 31990), (1828, 30240), (1890, 29248), (1920, 28791), (2016, 27420), (2160, 25592), (2240, 24678), (2285, 24192), (2520, 21936), (2688, 20565), (2742, 20160), (2880, 19194), (3024, 18280), (3199, 17280), (3360, 16452), (3456, 15995), (3656, 15120), (3780, 14624), (4032, 13710), (4113, 13440), (4320, 12796), (4480, 12339), (4570, 12096), (5040, 10968), (5484, 10080), (5760, 9597), (6048, 9140), (6398, 8640), (6720, 8226), (6855, 8064), (7312, 7560)]