285936560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 240

約数和(自身を含む): 864444672

約数和(自身を除く): 578508112

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 181, 182, 196, 208, 217, 245, 248, 260, 280, 310, 362, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 637, 724, 728, 784, 806, 868, 905, 910, 980, 1040, 1085, 1240, 1267, 1274, 1448, 1456, 1519, 1612, 1736, 1810, 1820, 1960, 2015, 2170, 2353, 2480, 2534, 2548, 2821, 2896, 3038, 3185, 3224, 3472, 3620, 3640, 3920, 4030, 4340, 4706, 5068, 5096, 5611, 5642, 6076, 6335, 6370, 6448, 7240, 7280, 7595, 8060, 8680, 8869, 9412, 10136, 10192, 11222, 11284, 11765, 12152, 12670, 12740, 14105, 14480, 15190, 16120, 16471, 17360, 17738, 18824, 19747, 20272, 22444, 22568, 23530, 24304, 25340, 25480, 28055, 28210, 30380, 32240, 32942, 35476, 37648, 39277, 39494, 44345, 44888, 45136, 47060, 50680, 50960, 56110, 56420, 60760, 65884, 70952, 72943, 78554, 78988, 82355, 88690, 89776, 94120, 98735, 101360, 112220, 112840, 115297, 121520, 131768, 141904, 145886, 157108, 157976, 164710, 177380, 188240, 196385, 197470, 224440, 225680, 230594, 263536, 274939, 291772, 314216, 315952, 329420, 354760, 364715, 392770, 394940, 448880, 461188, 510601, 549878, 576485, 583544, 628432, 658840, 709520, 729430, 785540, 789880, 922376, 1021202, 1099756, 1152970, 1167088, 1317680, 1374695, 1458860, 1571080, 1579760, 1844752, 2042404, 2199512, 2305940, 2553005, 2749390, 2917720, 3142160, 3574207, 4084808, 4399024, 4611880, 5106010, 5498780, 5835440, 7148414, 8169616, 9223760, 10212020, 10997560, 14296828, 17871035, 20424040, 21995120, 28593656, 35742070, 40848080, 57187312, 71484140, 142968280, 285936560]

約数ペア:

[(1, 285936560), (2, 142968280), (4, 71484140), (5, 57187312), (7, 40848080), (8, 35742070), (10, 28593656), (13, 21995120), (14, 20424040), (16, 17871035), (20, 14296828), (26, 10997560), (28, 10212020), (31, 9223760), (35, 8169616), (40, 7148414), (49, 5835440), (52, 5498780), (56, 5106010), (62, 4611880), (65, 4399024), (70, 4084808), (80, 3574207), (91, 3142160), (98, 2917720), (104, 2749390), (112, 2553005), (124, 2305940), (130, 2199512), (140, 2042404), (155, 1844752), (181, 1579760), (182, 1571080), (196, 1458860), (208, 1374695), (217, 1317680), (245, 1167088), (248, 1152970), (260, 1099756), (280, 1021202), (310, 922376), (362, 789880), (364, 785540), (392, 729430), (403, 709520), (434, 658840), (455, 628432), (490, 583544), (496, 576485), (520, 549878), (560, 510601), (620, 461188), (637, 448880), (724, 394940), (728, 392770), (784, 364715), (806, 354760), (868, 329420), (905, 315952), (910, 314216), (980, 291772), (1040, 274939), (1085, 263536), (1240, 230594), (1267, 225680), (1274, 224440), (1448, 197470), (1456, 196385), (1519, 188240), (1612, 177380), (1736, 164710), (1810, 157976), (1820, 157108), (1960, 145886), (2015, 141904), (2170, 131768), (2353, 121520), (2480, 115297), (2534, 112840), (2548, 112220), (2821, 101360), (2896, 98735), (3038, 94120), (3185, 89776), (3224, 88690), (3472, 82355), (3620, 78988), (3640, 78554), (3920, 72943), (4030, 70952), (4340, 65884), (4706, 60760), (5068, 56420), (5096, 56110), (5611, 50960), (5642, 50680), (6076, 47060), (6335, 45136), (6370, 44888), (6448, 44345), (7240, 39494), (7280, 39277), (7595, 37648), (8060, 35476), (8680, 32942), (8869, 32240), (9412, 30380), (10136, 28210), (10192, 28055), (11222, 25480), (11284, 25340), (11765, 24304), (12152, 23530), (12670, 22568), (12740, 22444), (14105, 20272), (14480, 19747), (15190, 18824), (16120, 17738), (16471, 17360)]