280640640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 384

約数和(自身を含む): 1102334400

約数和(自身を除く): 821693760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 128, 133, 140, 147, 152, 157, 160, 168, 190, 192, 196, 210, 224, 228, 240, 245, 266, 280, 285, 294, 304, 314, 320, 336, 380, 384, 392, 399, 420, 448, 456, 471, 480, 490, 532, 560, 570, 588, 608, 628, 640, 665, 672, 735, 760, 784, 785, 798, 840, 896, 912, 931, 942, 960, 980, 1064, 1099, 1120, 1140, 1176, 1216, 1256, 1330, 1344, 1470, 1520, 1568, 1570, 1596, 1680, 1824, 1862, 1884, 1920, 1960, 1995, 2128, 2198, 2240, 2280, 2352, 2355, 2432, 2512, 2660, 2688, 2793, 2940, 2983, 3040, 3136, 3140, 3192, 3297, 3360, 3648, 3724, 3768, 3920, 3990, 4256, 4396, 4480, 4560, 4655, 4704, 4710, 5024, 5320, 5495, 5586, 5880, 5966, 6080, 6272, 6280, 6384, 6594, 6720, 7296, 7448, 7536, 7693, 7840, 7980, 8512, 8792, 8949, 9120, 9310, 9408, 9420, 10048, 10640, 10990, 11172, 11760, 11932, 12160, 12560, 12768, 13188, 13440, 13965, 14896, 14915, 15072, 15386, 15680, 15960, 16485, 17024, 17584, 17898, 18240, 18620, 18816, 18840, 20096, 20881, 21280, 21980, 22344, 23079, 23520, 23864, 25120, 25536, 26376, 27930, 29792, 29830, 30144, 30772, 31360, 31920, 32970, 35168, 35796, 36480, 37240, 37680, 38465, 41762, 42560, 43960, 44688, 44745, 46158, 47040, 47728, 50240, 51072, 52752, 55860, 59584, 59660, 60288, 61544, 62643, 63840, 65940, 70336, 71592, 74480, 75360, 76930, 83524, 85120, 87920, 89376, 89490, 92316, 94080, 95456, 100480, 104405, 105504, 111720, 115395, 119168, 119320, 123088, 125286, 127680, 131880, 140672, 143184, 146167, 148960, 150720, 153860, 167048, 175840, 178752, 178980, 184632, 190912, 208810, 211008, 223440, 230790, 238640, 246176, 250572, 255360, 263760, 286368, 292334, 297920, 301440, 307720, 313215, 334096, 351680, 357504, 357960, 369264, 381824, 417620, 422016, 438501, 446880, 461580, 477280, 492352, 501144, 527520, 572736, 584668, 595840, 615440, 626430, 668192, 703360, 715920, 730835, 738528, 835240, 877002, 893760, 923160, 954560, 984704, 1002288, 1055040, 1145472, 1169336, 1230880, 1252860, 1336384, 1431840, 1461670, 1477056, 1670480, 1754004, 1787520, 1846320, 1909120, 2004576, 2110080, 2192505, 2338672, 2461760, 2505720, 2672768, 2863680, 2923340, 2954112, 3340960, 3508008, 3692640, 4009152, 4385010, 4677344, 4923520, 5011440, 5727360, 5846680, 6681920, 7016016, 7385280, 8018304, 8770020, 9354688, 10022880, 11693360, 13363840, 14032032, 14770560, 17540040, 18709376, 20045760, 23386720, 28064064, 35080080, 40091520, 46773440, 56128128, 70160160, 93546880, 140320320, 280640640]

約数ペア:

[(1, 280640640), (2, 140320320), (3, 93546880), (4, 70160160), (5, 56128128), (6, 46773440), (7, 40091520), (8, 35080080), (10, 28064064), (12, 23386720), (14, 20045760), (15, 18709376), (16, 17540040), (19, 14770560), (20, 14032032), (21, 13363840), (24, 11693360), (28, 10022880), (30, 9354688), (32, 8770020), (35, 8018304), (38, 7385280), (40, 7016016), (42, 6681920), (48, 5846680), (49, 5727360), (56, 5011440), (57, 4923520), (60, 4677344), (64, 4385010), (70, 4009152), (76, 3692640), (80, 3508008), (84, 3340960), (95, 2954112), (96, 2923340), (98, 2863680), (105, 2672768), (112, 2505720), (114, 2461760), (120, 2338672), (128, 2192505), (133, 2110080), (140, 2004576), (147, 1909120), (152, 1846320), (157, 1787520), (160, 1754004), (168, 1670480), (190, 1477056), (192, 1461670), (196, 1431840), (210, 1336384), (224, 1252860), (228, 1230880), (240, 1169336), (245, 1145472), (266, 1055040), (280, 1002288), (285, 984704), (294, 954560), (304, 923160), (314, 893760), (320, 877002), (336, 835240), (380, 738528), (384, 730835), (392, 715920), (399, 703360), (420, 668192), (448, 626430), (456, 615440), (471, 595840), (480, 584668), (490, 572736), (532, 527520), (560, 501144), (570, 492352), (588, 477280), (608, 461580), (628, 446880), (640, 438501), (665, 422016), (672, 417620), (735, 381824), (760, 369264), (784, 357960), (785, 357504), (798, 351680), (840, 334096), (896, 313215), (912, 307720), (931, 301440), (942, 297920), (960, 292334), (980, 286368), (1064, 263760), (1099, 255360), (1120, 250572), (1140, 246176), (1176, 238640), (1216, 230790), (1256, 223440), (1330, 211008), (1344, 208810), (1470, 190912), (1520, 184632), (1568, 178980), (1570, 178752), (1596, 175840), (1680, 167048), (1824, 153860), (1862, 150720), (1884, 148960), (1920, 146167), (1960, 143184), (1995, 140672), (2128, 131880), (2198, 127680), (2240, 125286), (2280, 123088), (2352, 119320), (2355, 119168), (2432, 115395), (2512, 111720), (2660, 105504), (2688, 104405), (2793, 100480), (2940, 95456), (2983, 94080), (3040, 92316), (3136, 89490), (3140, 89376), (3192, 87920), (3297, 85120), (3360, 83524), (3648, 76930), (3724, 75360), (3768, 74480), (3920, 71592), (3990, 70336), (4256, 65940), (4396, 63840), (4480, 62643), (4560, 61544), (4655, 60288), (4704, 59660), (4710, 59584), (5024, 55860), (5320, 52752), (5495, 51072), (5586, 50240), (5880, 47728), (5966, 47040), (6080, 46158), (6272, 44745), (6280, 44688), (6384, 43960), (6594, 42560), (6720, 41762), (7296, 38465), (7448, 37680), (7536, 37240), (7693, 36480), (7840, 35796), (7980, 35168), (8512, 32970), (8792, 31920), (8949, 31360), (9120, 30772), (9310, 30144), (9408, 29830), (9420, 29792), (10048, 27930), (10640, 26376), (10990, 25536), (11172, 25120), (11760, 23864), (11932, 23520), (12160, 23079), (12560, 22344), (12768, 21980), (13188, 21280), (13440, 20881), (13965, 20096), (14896, 18840), (14915, 18816), (15072, 18620), (15386, 18240), (15680, 17898), (15960, 17584), (16485, 17024)]