278649280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1411

約数の個数: 168

約数和(自身を含む): 831847968

約数和(自身を除く): 553198688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1367, 1456, 1568, 1820, 1960, 2080, 2240, 2548, 2734, 2912, 3136, 3185, 3640, 3920, 4160, 5096, 5468, 5824, 6370, 6835, 7280, 7840, 9569, 10192, 10936, 12740, 13670, 14560, 15680, 17771, 19138, 20384, 21872, 25480, 27340, 29120, 35542, 38276, 40768, 43744, 47845, 50960, 54680, 66983, 71084, 76552, 87488, 88855, 95690, 101920, 109360, 124397, 133966, 142168, 153104, 177710, 191380, 203840, 218720, 248794, 267932, 284336, 306208, 334915, 355420, 382760, 437440, 497588, 535864, 568672, 612416, 621985, 669830, 710840, 765520, 870779, 995176, 1071728, 1137344, 1243970, 1339660, 1421680, 1531040, 1741558, 1990352, 2143456, 2487940, 2679320, 2843360, 3062080, 3483116, 3980704, 4286912, 4353895, 4975880, 5358640, 5686720, 6966232, 7961408, 8707790, 9951760, 10717280, 13932464, 17415580, 19903520, 21434560, 27864928, 34831160, 39807040, 55729856, 69662320, 139324640, 278649280]

約数ペア:

[(1, 278649280), (2, 139324640), (4, 69662320), (5, 55729856), (7, 39807040), (8, 34831160), (10, 27864928), (13, 21434560), (14, 19903520), (16, 17415580), (20, 13932464), (26, 10717280), (28, 9951760), (32, 8707790), (35, 7961408), (40, 6966232), (49, 5686720), (52, 5358640), (56, 4975880), (64, 4353895), (65, 4286912), (70, 3980704), (80, 3483116), (91, 3062080), (98, 2843360), (104, 2679320), (112, 2487940), (130, 2143456), (140, 1990352), (160, 1741558), (182, 1531040), (196, 1421680), (208, 1339660), (224, 1243970), (245, 1137344), (260, 1071728), (280, 995176), (320, 870779), (364, 765520), (392, 710840), (416, 669830), (448, 621985), (455, 612416), (490, 568672), (520, 535864), (560, 497588), (637, 437440), (728, 382760), (784, 355420), (832, 334915), (910, 306208), (980, 284336), (1040, 267932), (1120, 248794), (1274, 218720), (1367, 203840), (1456, 191380), (1568, 177710), (1820, 153104), (1960, 142168), (2080, 133966), (2240, 124397), (2548, 109360), (2734, 101920), (2912, 95690), (3136, 88855), (3185, 87488), (3640, 76552), (3920, 71084), (4160, 66983), (5096, 54680), (5468, 50960), (5824, 47845), (6370, 43744), (6835, 40768), (7280, 38276), (7840, 35542), (9569, 29120), (10192, 27340), (10936, 25480), (12740, 21872), (13670, 20384), (14560, 19138), (15680, 17771)]