247308880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 240

約数和(自身を含む): 755201664

約数和(自身を除く): 507892784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 35, 40, 46, 49, 52, 56, 65, 70, 80, 91, 92, 98, 104, 112, 115, 130, 140, 161, 182, 184, 196, 208, 211, 230, 245, 260, 280, 299, 322, 364, 368, 392, 422, 455, 460, 490, 520, 560, 598, 637, 644, 728, 784, 805, 844, 910, 920, 980, 1040, 1055, 1127, 1196, 1274, 1288, 1456, 1477, 1495, 1610, 1688, 1820, 1840, 1960, 2093, 2110, 2254, 2392, 2548, 2576, 2743, 2954, 2990, 3185, 3220, 3376, 3640, 3920, 4186, 4220, 4508, 4784, 4853, 5096, 5486, 5635, 5908, 5980, 6370, 6440, 7280, 7385, 8372, 8440, 9016, 9706, 10192, 10339, 10465, 10972, 11270, 11816, 11960, 12740, 12880, 13715, 14651, 14770, 16744, 16880, 18032, 19201, 19412, 20678, 20930, 21944, 22540, 23632, 23920, 24265, 25480, 27430, 29302, 29540, 33488, 33971, 38402, 38824, 41356, 41860, 43888, 45080, 48530, 50960, 51695, 54860, 58604, 59080, 63089, 67942, 73255, 76804, 77648, 82712, 83720, 90160, 96005, 97060, 103390, 109720, 117208, 118160, 126178, 134407, 135884, 146510, 153608, 165424, 167440, 169855, 192010, 194120, 206780, 219440, 234416, 237797, 252356, 268814, 271768, 293020, 307216, 315445, 339710, 384020, 388240, 413560, 441623, 475594, 504712, 537628, 543536, 586040, 630890, 672035, 679420, 768040, 827120, 883246, 951188, 1009424, 1075256, 1172080, 1188985, 1261780, 1344070, 1358840, 1536080, 1766492, 1902376, 2150512, 2208115, 2377970, 2523560, 2688140, 2717680, 3091361, 3532984, 3804752, 4416230, 4755940, 5047120, 5376280, 6182722, 7065968, 8832460, 9511880, 10752560, 12365444, 15456805, 17664920, 19023760, 24730888, 30913610, 35329840, 49461776, 61827220, 123654440, 247308880]

約数ペア:

[(1, 247308880), (2, 123654440), (4, 61827220), (5, 49461776), (7, 35329840), (8, 30913610), (10, 24730888), (13, 19023760), (14, 17664920), (16, 15456805), (20, 12365444), (23, 10752560), (26, 9511880), (28, 8832460), (35, 7065968), (40, 6182722), (46, 5376280), (49, 5047120), (52, 4755940), (56, 4416230), (65, 3804752), (70, 3532984), (80, 3091361), (91, 2717680), (92, 2688140), (98, 2523560), (104, 2377970), (112, 2208115), (115, 2150512), (130, 1902376), (140, 1766492), (161, 1536080), (182, 1358840), (184, 1344070), (196, 1261780), (208, 1188985), (211, 1172080), (230, 1075256), (245, 1009424), (260, 951188), (280, 883246), (299, 827120), (322, 768040), (364, 679420), (368, 672035), (392, 630890), (422, 586040), (455, 543536), (460, 537628), (490, 504712), (520, 475594), (560, 441623), (598, 413560), (637, 388240), (644, 384020), (728, 339710), (784, 315445), (805, 307216), (844, 293020), (910, 271768), (920, 268814), (980, 252356), (1040, 237797), (1055, 234416), (1127, 219440), (1196, 206780), (1274, 194120), (1288, 192010), (1456, 169855), (1477, 167440), (1495, 165424), (1610, 153608), (1688, 146510), (1820, 135884), (1840, 134407), (1960, 126178), (2093, 118160), (2110, 117208), (2254, 109720), (2392, 103390), (2548, 97060), (2576, 96005), (2743, 90160), (2954, 83720), (2990, 82712), (3185, 77648), (3220, 76804), (3376, 73255), (3640, 67942), (3920, 63089), (4186, 59080), (4220, 58604), (4508, 54860), (4784, 51695), (4853, 50960), (5096, 48530), (5486, 45080), (5635, 43888), (5908, 41860), (5980, 41356), (6370, 38824), (6440, 38402), (7280, 33971), (7385, 33488), (8372, 29540), (8440, 29302), (9016, 27430), (9706, 25480), (10192, 24265), (10339, 23920), (10465, 23632), (10972, 22540), (11270, 21944), (11816, 20930), (11960, 20678), (12740, 19412), (12880, 19201), (13715, 18032), (14651, 16880), (14770, 16744)]