254824960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 718882560

約数和(自身を除く): 464057600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 169, 190, 208, 247, 248, 256, 260, 304, 310, 320, 338, 380, 403, 416, 494, 496, 512, 520, 589, 608, 620, 640, 676, 760, 806, 832, 845, 988, 992, 1040, 1178, 1216, 1235, 1240, 1280, 1352, 1520, 1612, 1664, 1690, 1976, 1984, 2015, 2080, 2356, 2432, 2470, 2480, 2560, 2704, 2945, 3040, 3211, 3224, 3328, 3380, 3952, 3968, 4030, 4160, 4712, 4864, 4940, 4960, 5239, 5408, 5890, 6080, 6422, 6448, 6656, 6760, 7657, 7904, 7936, 8060, 8320, 9424, 9728, 9880, 9920, 10478, 10816, 11780, 12160, 12844, 12896, 13520, 15314, 15808, 15872, 16055, 16120, 16640, 18848, 19760, 19840, 20956, 21632, 23560, 24320, 25688, 25792, 26195, 27040, 30628, 31616, 32110, 32240, 33280, 37696, 38285, 39520, 39680, 41912, 43264, 47120, 48640, 51376, 51584, 52390, 54080, 61256, 63232, 64220, 64480, 75392, 76570, 79040, 79360, 83824, 86528, 94240, 99541, 102752, 103168, 104780, 108160, 122512, 126464, 128440, 128960, 150784, 153140, 158080, 167648, 188480, 199082, 205504, 206336, 209560, 216320, 245024, 256880, 257920, 301568, 306280, 316160, 335296, 376960, 398164, 411008, 419120, 432640, 490048, 497705, 513760, 515840, 612560, 632320, 670592, 753920, 796328, 822016, 838240, 980096, 995410, 1027520, 1031680, 1225120, 1341184, 1507840, 1592656, 1644032, 1676480, 1960192, 1990820, 2055040, 2450240, 2682368, 3185312, 3352960, 3920384, 3981640, 4110080, 4900480, 6370624, 6705920, 7963280, 8220160, 9800960, 12741248, 13411840, 15926560, 19601920, 25482496, 31853120, 50964992, 63706240, 127412480, 254824960]

約数ペア:

[(1, 254824960), (2, 127412480), (4, 63706240), (5, 50964992), (8, 31853120), (10, 25482496), (13, 19601920), (16, 15926560), (19, 13411840), (20, 12741248), (26, 9800960), (31, 8220160), (32, 7963280), (38, 6705920), (40, 6370624), (52, 4900480), (62, 4110080), (64, 3981640), (65, 3920384), (76, 3352960), (80, 3185312), (95, 2682368), (104, 2450240), (124, 2055040), (128, 1990820), (130, 1960192), (152, 1676480), (155, 1644032), (160, 1592656), (169, 1507840), (190, 1341184), (208, 1225120), (247, 1031680), (248, 1027520), (256, 995410), (260, 980096), (304, 838240), (310, 822016), (320, 796328), (338, 753920), (380, 670592), (403, 632320), (416, 612560), (494, 515840), (496, 513760), (512, 497705), (520, 490048), (589, 432640), (608, 419120), (620, 411008), (640, 398164), (676, 376960), (760, 335296), (806, 316160), (832, 306280), (845, 301568), (988, 257920), (992, 256880), (1040, 245024), (1178, 216320), (1216, 209560), (1235, 206336), (1240, 205504), (1280, 199082), (1352, 188480), (1520, 167648), (1612, 158080), (1664, 153140), (1690, 150784), (1976, 128960), (1984, 128440), (2015, 126464), (2080, 122512), (2356, 108160), (2432, 104780), (2470, 103168), (2480, 102752), (2560, 99541), (2704, 94240), (2945, 86528), (3040, 83824), (3211, 79360), (3224, 79040), (3328, 76570), (3380, 75392), (3952, 64480), (3968, 64220), (4030, 63232), (4160, 61256), (4712, 54080), (4864, 52390), (4940, 51584), (4960, 51376), (5239, 48640), (5408, 47120), (5890, 43264), (6080, 41912), (6422, 39680), (6448, 39520), (6656, 38285), (6760, 37696), (7657, 33280), (7904, 32240), (7936, 32110), (8060, 31616), (8320, 30628), (9424, 27040), (9728, 26195), (9880, 25792), (9920, 25688), (10478, 24320), (10816, 23560), (11780, 21632), (12160, 20956), (12844, 19840), (12896, 19760), (13520, 18848), (15314, 16640), (15808, 16120), (15872, 16055)]