257749135280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{122509}}^1$

素因数の和:122576

約数の個数: 240

約数和(自身を含む): 783503394240

約数和(自身を除く): 525754258960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 289, 340, 364, 442, 455, 476, 520, 560, 578, 595, 680, 728, 884, 910, 952, 1040, 1105, 1156, 1190, 1360, 1445, 1456, 1547, 1768, 1820, 1904, 2023, 2210, 2312, 2380, 2890, 3094, 3536, 3640, 3757, 4046, 4420, 4624, 4760, 5780, 6188, 7280, 7514, 7735, 8092, 8840, 9520, 10115, 11560, 12376, 15028, 15470, 16184, 17680, 18785, 20230, 23120, 24752, 26299, 30056, 30940, 32368, 37570, 40460, 52598, 60112, 61880, 75140, 80920, 105196, 122509, 123760, 131495, 150280, 161840, 210392, 245018, 262990, 300560, 420784, 490036, 525980, 612545, 857563, 980072, 1051960, 1225090, 1592617, 1715126, 1960144, 2082653, 2103920, 2450180, 3185234, 3430252, 4165306, 4287815, 4900360, 6370468, 6860504, 7963085, 8330612, 8575630, 9800720, 10413265, 11148319, 12740936, 13721008, 14578571, 15926170, 16661224, 17151260, 20826530, 22296638, 25481872, 27074489, 29157142, 31852340, 33322448, 34302520, 35405101, 41653060, 44593276, 54148978, 55741595, 58314284, 63704680, 68605040, 70810202, 72892855, 83306120, 89186552, 108297956, 111483190, 116628568, 127409360, 135372445, 141620404, 145785710, 166612240, 177025505, 178373104, 189521423, 216595912, 222966380, 233257136, 247835707, 270744890, 283240808, 291571420, 354051010, 379042846, 433191824, 445932760, 460266313, 495671414, 541489780, 566481616, 583142840, 708102020, 758085692, 891865520, 920532626, 947607115, 991342828, 1082979560, 1166285680, 1239178535, 1416204040, 1516171384, 1841065252, 1895214230, 1982685656, 2165959120, 2301331565, 2478357070, 2832408080, 3032342768, 3221864191, 3682130504, 3790428460, 3965371312, 4602663130, 4956714140, 6443728382, 7364261008, 7580856920, 9205326260, 9913428280, 12887456764, 15161713840, 16109320955, 18410652520, 19826856560, 25774913528, 32218641910, 36821305040, 51549827056, 64437283820, 128874567640, 257749135280]

約数ペア:

[(1, 257749135280), (2, 128874567640), (4, 64437283820), (5, 51549827056), (7, 36821305040), (8, 32218641910), (10, 25774913528), (13, 19826856560), (14, 18410652520), (16, 16109320955), (17, 15161713840), (20, 12887456764), (26, 9913428280), (28, 9205326260), (34, 7580856920), (35, 7364261008), (40, 6443728382), (52, 4956714140), (56, 4602663130), (65, 3965371312), (68, 3790428460), (70, 3682130504), (80, 3221864191), (85, 3032342768), (91, 2832408080), (104, 2478357070), (112, 2301331565), (119, 2165959120), (130, 1982685656), (136, 1895214230), (140, 1841065252), (170, 1516171384), (182, 1416204040), (208, 1239178535), (221, 1166285680), (238, 1082979560), (260, 991342828), (272, 947607115), (280, 920532626), (289, 891865520), (340, 758085692), (364, 708102020), (442, 583142840), (455, 566481616), (476, 541489780), (520, 495671414), (560, 460266313), (578, 445932760), (595, 433191824), (680, 379042846), (728, 354051010), (884, 291571420), (910, 283240808), (952, 270744890), (1040, 247835707), (1105, 233257136), (1156, 222966380), (1190, 216595912), (1360, 189521423), (1445, 178373104), (1456, 177025505), (1547, 166612240), (1768, 145785710), (1820, 141620404), (1904, 135372445), (2023, 127409360), (2210, 116628568), (2312, 111483190), (2380, 108297956), (2890, 89186552), (3094, 83306120), (3536, 72892855), (3640, 70810202), (3757, 68605040), (4046, 63704680), (4420, 58314284), (4624, 55741595), (4760, 54148978), (5780, 44593276), (6188, 41653060), (7280, 35405101), (7514, 34302520), (7735, 33322448), (8092, 31852340), (8840, 29157142), (9520, 27074489), (10115, 25481872), (11560, 22296638), (12376, 20826530), (15028, 17151260), (15470, 16661224), (16184, 15926170), (17680, 14578571), (18785, 13721008), (20230, 12740936), (23120, 11148319), (24752, 10413265), (26299, 9800720), (30056, 8575630), (30940, 8330612), (32368, 7963085), (37570, 6860504), (40460, 6370468), (52598, 4900360), (60112, 4287815), (61880, 4165306), (75140, 3430252), (80920, 3185234), (105196, 2450180), (122509, 2103920), (123760, 2082653), (131495, 1960144), (150280, 1715126), (161840, 1592617), (210392, 1225090), (245018, 1051960), (262990, 980072), (300560, 857563), (420784, 612545), (490036, 525980)]