279793920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 216

約数和(自身を含む): 1040183424

約数和(自身を除く): 760389504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1487, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 2974, 3136, 3360, 3840, 3920, 4461, 4480, 4704, 5376, 5880, 5948, 6272, 6720, 7435, 7840, 8922, 8960, 9408, 10409, 11760, 11896, 12544, 13440, 14870, 15680, 17844, 18816, 20818, 22305, 23520, 23792, 26880, 29740, 31227, 31360, 35688, 37632, 41636, 44610, 47040, 47584, 52045, 59480, 62454, 62720, 71376, 72863, 83272, 89220, 94080, 95168, 104090, 118960, 124908, 142752, 145726, 156135, 166544, 178440, 188160, 190336, 208180, 218589, 237920, 249816, 285504, 291452, 312270, 333088, 356880, 364315, 380672, 416360, 437178, 475840, 499632, 571008, 582904, 624540, 666176, 713760, 728630, 832720, 874356, 951680, 999264, 1092945, 1142016, 1165808, 1249080, 1332352, 1427520, 1457260, 1665440, 1748712, 1903360, 1998528, 2185890, 2331616, 2498160, 2664704, 2855040, 2914520, 3330880, 3497424, 3997056, 4371780, 4663232, 4996320, 5710080, 5829040, 6661760, 6994848, 7994112, 8743560, 9326464, 9992640, 11658080, 13323520, 13989696, 17487120, 18652928, 19985280, 23316160, 27979392, 34974240, 39970560, 46632320, 55958784, 69948480, 93264640, 139896960, 279793920]

約数ペア:

[(1, 279793920), (2, 139896960), (3, 93264640), (4, 69948480), (5, 55958784), (6, 46632320), (7, 39970560), (8, 34974240), (10, 27979392), (12, 23316160), (14, 19985280), (15, 18652928), (16, 17487120), (20, 13989696), (21, 13323520), (24, 11658080), (28, 9992640), (30, 9326464), (32, 8743560), (35, 7994112), (40, 6994848), (42, 6661760), (48, 5829040), (49, 5710080), (56, 4996320), (60, 4663232), (64, 4371780), (70, 3997056), (80, 3497424), (84, 3330880), (96, 2914520), (98, 2855040), (105, 2664704), (112, 2498160), (120, 2331616), (128, 2185890), (140, 1998528), (147, 1903360), (160, 1748712), (168, 1665440), (192, 1457260), (196, 1427520), (210, 1332352), (224, 1249080), (240, 1165808), (245, 1142016), (256, 1092945), (280, 999264), (294, 951680), (320, 874356), (336, 832720), (384, 728630), (392, 713760), (420, 666176), (448, 624540), (480, 582904), (490, 571008), (560, 499632), (588, 475840), (640, 437178), (672, 416360), (735, 380672), (768, 364315), (784, 356880), (840, 333088), (896, 312270), (960, 291452), (980, 285504), (1120, 249816), (1176, 237920), (1280, 218589), (1344, 208180), (1470, 190336), (1487, 188160), (1568, 178440), (1680, 166544), (1792, 156135), (1920, 145726), (1960, 142752), (2240, 124908), (2352, 118960), (2688, 104090), (2940, 95168), (2974, 94080), (3136, 89220), (3360, 83272), (3840, 72863), (3920, 71376), (4461, 62720), (4480, 62454), (4704, 59480), (5376, 52045), (5880, 47584), (5948, 47040), (6272, 44610), (6720, 41636), (7435, 37632), (7840, 35688), (8922, 31360), (8960, 31227), (9408, 29740), (10409, 26880), (11760, 23792), (11896, 23520), (12544, 22305), (13440, 20818), (14870, 18816), (15680, 17844)]