6446440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 20684160

約数和(自身を除く): 14237720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 23, 26, 28, 35, 40, 44, 46, 49, 52, 55, 56, 65, 70, 77, 88, 91, 92, 98, 104, 110, 115, 130, 140, 143, 154, 161, 182, 184, 196, 220, 230, 245, 253, 260, 280, 286, 299, 308, 322, 364, 385, 392, 440, 455, 460, 490, 506, 520, 539, 572, 598, 616, 637, 644, 715, 728, 770, 805, 910, 920, 980, 1001, 1012, 1078, 1127, 1144, 1196, 1265, 1274, 1288, 1430, 1495, 1540, 1610, 1771, 1820, 1960, 2002, 2024, 2093, 2156, 2254, 2392, 2530, 2548, 2695, 2860, 2990, 3080, 3185, 3220, 3289, 3542, 3640, 4004, 4186, 4312, 4508, 5005, 5060, 5096, 5390, 5635, 5720, 5980, 6370, 6440, 6578, 7007, 7084, 8008, 8372, 8855, 9016, 10010, 10120, 10465, 10780, 11270, 11960, 12397, 12740, 13156, 14014, 14168, 14651, 16445, 16744, 17710, 20020, 20930, 21560, 22540, 23023, 24794, 25480, 26312, 28028, 29302, 32890, 35035, 35420, 40040, 41860, 45080, 46046, 49588, 56056, 58604, 61985, 65780, 70070, 70840, 73255, 83720, 92092, 99176, 115115, 117208, 123970, 131560, 140140, 146510, 161161, 184184, 230230, 247940, 280280, 293020, 322322, 460460, 495880, 586040, 644644, 805805, 920920, 1289288, 1611610, 3223220, 6446440]

約数ペア:

[(1, 6446440), (2, 3223220), (4, 1611610), (5, 1289288), (7, 920920), (8, 805805), (10, 644644), (11, 586040), (13, 495880), (14, 460460), (20, 322322), (22, 293020), (23, 280280), (26, 247940), (28, 230230), (35, 184184), (40, 161161), (44, 146510), (46, 140140), (49, 131560), (52, 123970), (55, 117208), (56, 115115), (65, 99176), (70, 92092), (77, 83720), (88, 73255), (91, 70840), (92, 70070), (98, 65780), (104, 61985), (110, 58604), (115, 56056), (130, 49588), (140, 46046), (143, 45080), (154, 41860), (161, 40040), (182, 35420), (184, 35035), (196, 32890), (220, 29302), (230, 28028), (245, 26312), (253, 25480), (260, 24794), (280, 23023), (286, 22540), (299, 21560), (308, 20930), (322, 20020), (364, 17710), (385, 16744), (392, 16445), (440, 14651), (455, 14168), (460, 14014), (490, 13156), (506, 12740), (520, 12397), (539, 11960), (572, 11270), (598, 10780), (616, 10465), (637, 10120), (644, 10010), (715, 9016), (728, 8855), (770, 8372), (805, 8008), (910, 7084), (920, 7007), (980, 6578), (1001, 6440), (1012, 6370), (1078, 5980), (1127, 5720), (1144, 5635), (1196, 5390), (1265, 5096), (1274, 5060), (1288, 5005), (1430, 4508), (1495, 4312), (1540, 4186), (1610, 4004), (1771, 3640), (1820, 3542), (1960, 3289), (2002, 3220), (2024, 3185), (2093, 3080), (2156, 2990), (2254, 2860), (2392, 2695), (2530, 2548)]