205989840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1826

約数の個数: 240

約数和(自身を含む): 825447168

約数和(自身を除く): 619457328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1777, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3554, 3864, 4140, 4830, 5040, 5331, 5520, 5796, 6440, 7108, 7245, 7728, 8280, 8885, 9660, 10662, 11592, 12439, 12880, 14216, 14490, 15993, 16560, 17770, 19320, 21324, 23184, 24878, 26655, 28432, 28980, 31986, 35540, 37317, 38640, 40871, 42648, 49756, 53310, 57960, 62195, 63972, 71080, 74634, 79965, 81742, 85296, 99512, 106620, 111951, 115920, 122613, 124390, 127944, 142160, 149268, 159930, 163484, 186585, 199024, 204355, 213240, 223902, 245226, 248780, 255888, 286097, 298536, 319860, 326968, 367839, 373170, 408710, 426480, 447804, 490452, 497560, 559755, 572194, 597072, 613065, 639720, 653936, 735678, 746340, 817420, 858291, 895608, 980904, 995120, 1119510, 1144388, 1226130, 1279440, 1430485, 1471356, 1492680, 1634840, 1716582, 1791216, 1839195, 1961808, 2239020, 2288776, 2452260, 2574873, 2860970, 2942712, 2985360, 3269680, 3433164, 3678390, 4291455, 4478040, 4577552, 4904520, 5149746, 5721940, 5885424, 6866328, 7356780, 8582910, 8956080, 9809040, 10299492, 11443880, 12874365, 13732656, 14713560, 17165820, 20598984, 22887760, 25748730, 29427120, 34331640, 41197968, 51497460, 68663280, 102994920, 205989840]

約数ペア:

[(1, 205989840), (2, 102994920), (3, 68663280), (4, 51497460), (5, 41197968), (6, 34331640), (7, 29427120), (8, 25748730), (9, 22887760), (10, 20598984), (12, 17165820), (14, 14713560), (15, 13732656), (16, 12874365), (18, 11443880), (20, 10299492), (21, 9809040), (23, 8956080), (24, 8582910), (28, 7356780), (30, 6866328), (35, 5885424), (36, 5721940), (40, 5149746), (42, 4904520), (45, 4577552), (46, 4478040), (48, 4291455), (56, 3678390), (60, 3433164), (63, 3269680), (69, 2985360), (70, 2942712), (72, 2860970), (80, 2574873), (84, 2452260), (90, 2288776), (92, 2239020), (105, 1961808), (112, 1839195), (115, 1791216), (120, 1716582), (126, 1634840), (138, 1492680), (140, 1471356), (144, 1430485), (161, 1279440), (168, 1226130), (180, 1144388), (184, 1119510), (207, 995120), (210, 980904), (230, 895608), (240, 858291), (252, 817420), (276, 746340), (280, 735678), (315, 653936), (322, 639720), (336, 613065), (345, 597072), (360, 572194), (368, 559755), (414, 497560), (420, 490452), (460, 447804), (483, 426480), (504, 408710), (552, 373170), (560, 367839), (630, 326968), (644, 319860), (690, 298536), (720, 286097), (805, 255888), (828, 248780), (840, 245226), (920, 223902), (966, 213240), (1008, 204355), (1035, 199024), (1104, 186585), (1260, 163484), (1288, 159930), (1380, 149268), (1449, 142160), (1610, 127944), (1656, 124390), (1680, 122613), (1777, 115920), (1840, 111951), (1932, 106620), (2070, 99512), (2415, 85296), (2520, 81742), (2576, 79965), (2760, 74634), (2898, 71080), (3220, 63972), (3312, 62195), (3554, 57960), (3864, 53310), (4140, 49756), (4830, 42648), (5040, 40871), (5331, 38640), (5520, 37317), (5796, 35540), (6440, 31986), (7108, 28980), (7245, 28432), (7728, 26655), (8280, 24878), (8885, 23184), (9660, 21324), (10662, 19320), (11592, 17770), (12439, 16560), (12880, 15993), (14216, 14490)]