278055120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 320

約数和(自身を含む): 1074216960

約数和(自身を除く): 796161840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 105, 112, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 240, 248, 266, 280, 281, 285, 304, 310, 336, 372, 380, 399, 420, 434, 456, 465, 496, 532, 560, 562, 570, 589, 620, 651, 665, 744, 760, 798, 840, 843, 868, 912, 930, 1064, 1085, 1124, 1140, 1178, 1240, 1302, 1330, 1405, 1488, 1520, 1596, 1680, 1686, 1736, 1767, 1860, 1967, 1995, 2128, 2170, 2248, 2280, 2356, 2480, 2604, 2660, 2810, 2945, 3192, 3255, 3372, 3472, 3534, 3720, 3934, 3990, 4123, 4215, 4340, 4496, 4560, 4712, 5208, 5320, 5339, 5620, 5890, 5901, 6384, 6510, 6744, 7068, 7440, 7868, 7980, 8246, 8430, 8680, 8711, 8835, 9424, 9835, 10416, 10640, 10678, 11240, 11780, 11802, 12369, 13020, 13488, 14136, 15736, 15960, 16017, 16492, 16860, 17360, 17422, 17670, 19670, 20615, 21356, 22480, 23560, 23604, 24738, 26040, 26133, 26695, 28272, 29505, 31472, 31920, 32034, 32984, 33720, 34844, 35340, 37373, 39340, 41230, 42712, 43555, 47120, 47208, 49476, 52080, 52266, 53390, 59010, 60977, 61845, 64068, 65968, 67440, 69688, 70680, 74746, 78680, 80085, 82460, 85424, 87110, 94416, 98952, 104532, 106780, 112119, 118020, 121954, 123690, 128136, 130665, 139376, 141360, 149492, 157360, 160170, 164920, 165509, 174220, 182931, 186865, 197904, 209064, 213560, 224238, 236040, 243908, 247380, 256272, 261330, 298984, 304885, 320340, 329840, 331018, 348440, 365862, 373730, 418128, 427120, 448476, 472080, 487816, 494760, 496527, 522660, 560595, 597968, 609770, 640680, 662036, 696880, 731724, 747460, 827545, 896952, 914655, 975632, 989520, 993054, 1045320, 1121190, 1158563, 1219540, 1281360, 1324072, 1463448, 1494920, 1655090, 1793904, 1829310, 1986108, 2090640, 2242380, 2317126, 2439080, 2482635, 2648144, 2926896, 2989840, 3310180, 3475689, 3658620, 3972216, 4484760, 4634252, 4878160, 4965270, 5792815, 6620360, 6951378, 7317240, 7944432, 8969520, 9268504, 9930540, 11585630, 13240720, 13902756, 14634480, 17378445, 18537008, 19861080, 23171260, 27805512, 34756890, 39722160, 46342520, 55611024, 69513780, 92685040, 139027560, 278055120]

約数ペア:

[(1, 278055120), (2, 139027560), (3, 92685040), (4, 69513780), (5, 55611024), (6, 46342520), (7, 39722160), (8, 34756890), (10, 27805512), (12, 23171260), (14, 19861080), (15, 18537008), (16, 17378445), (19, 14634480), (20, 13902756), (21, 13240720), (24, 11585630), (28, 9930540), (30, 9268504), (31, 8969520), (35, 7944432), (38, 7317240), (40, 6951378), (42, 6620360), (48, 5792815), (56, 4965270), (57, 4878160), (60, 4634252), (62, 4484760), (70, 3972216), (76, 3658620), (80, 3475689), (84, 3310180), (93, 2989840), (95, 2926896), (105, 2648144), (112, 2482635), (114, 2439080), (120, 2317126), (124, 2242380), (133, 2090640), (140, 1986108), (152, 1829310), (155, 1793904), (168, 1655090), (186, 1494920), (190, 1463448), (210, 1324072), (217, 1281360), (228, 1219540), (240, 1158563), (248, 1121190), (266, 1045320), (280, 993054), (281, 989520), (285, 975632), (304, 914655), (310, 896952), (336, 827545), (372, 747460), (380, 731724), (399, 696880), (420, 662036), (434, 640680), (456, 609770), (465, 597968), (496, 560595), (532, 522660), (560, 496527), (562, 494760), (570, 487816), (589, 472080), (620, 448476), (651, 427120), (665, 418128), (744, 373730), (760, 365862), (798, 348440), (840, 331018), (843, 329840), (868, 320340), (912, 304885), (930, 298984), (1064, 261330), (1085, 256272), (1124, 247380), (1140, 243908), (1178, 236040), (1240, 224238), (1302, 213560), (1330, 209064), (1405, 197904), (1488, 186865), (1520, 182931), (1596, 174220), (1680, 165509), (1686, 164920), (1736, 160170), (1767, 157360), (1860, 149492), (1967, 141360), (1995, 139376), (2128, 130665), (2170, 128136), (2248, 123690), (2280, 121954), (2356, 118020), (2480, 112119), (2604, 106780), (2660, 104532), (2810, 98952), (2945, 94416), (3192, 87110), (3255, 85424), (3372, 82460), (3472, 80085), (3534, 78680), (3720, 74746), (3934, 70680), (3990, 69688), (4123, 67440), (4215, 65968), (4340, 64068), (4496, 61845), (4560, 60977), (4712, 59010), (5208, 53390), (5320, 52266), (5339, 52080), (5620, 49476), (5890, 47208), (5901, 47120), (6384, 43555), (6510, 42712), (6744, 41230), (7068, 39340), (7440, 37373), (7868, 35340), (7980, 34844), (8246, 33720), (8430, 32984), (8680, 32034), (8711, 31920), (8835, 31472), (9424, 29505), (9835, 28272), (10416, 26695), (10640, 26133), (10678, 26040), (11240, 24738), (11780, 23604), (11802, 23560), (12369, 22480), (13020, 21356), (13488, 20615), (14136, 19670), (15736, 17670), (15960, 17422), (16017, 17360), (16492, 16860)]