289653840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19157}}^1$

素因数の和:19186

約数の個数: 160

約数和(自身を含む): 1140284160

約数和(自身を除く): 850630320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 19157, 38314, 57471, 76628, 95785, 114942, 134099, 153256, 172413, 191570, 229884, 268198, 287355, 306512, 344826, 383140, 402297, 459768, 517239, 536396, 574710, 670495, 689652, 766280, 804594, 862065, 919536, 1034478, 1072792, 1149420, 1206891, 1340990, 1379304, 1532560, 1609188, 1724130, 2011485, 2068956, 2145584, 2298840, 2413782, 2586195, 2681980, 2758608, 3218376, 3448260, 3620673, 4022970, 4137912, 4597680, 4827564, 5172390, 5363960, 6034455, 6436752, 6896520, 7241346, 8045940, 8275824, 9655128, 10344780, 10727920, 12068910, 13793040, 14482692, 16091880, 18103365, 19310256, 20689560, 24137820, 28965384, 32183760, 36206730, 41379120, 48275640, 57930768, 72413460, 96551280, 144826920, 289653840]

約数ペア:

[(1, 289653840), (2, 144826920), (3, 96551280), (4, 72413460), (5, 57930768), (6, 48275640), (7, 41379120), (8, 36206730), (9, 32183760), (10, 28965384), (12, 24137820), (14, 20689560), (15, 19310256), (16, 18103365), (18, 16091880), (20, 14482692), (21, 13793040), (24, 12068910), (27, 10727920), (28, 10344780), (30, 9655128), (35, 8275824), (36, 8045940), (40, 7241346), (42, 6896520), (45, 6436752), (48, 6034455), (54, 5363960), (56, 5172390), (60, 4827564), (63, 4597680), (70, 4137912), (72, 4022970), (80, 3620673), (84, 3448260), (90, 3218376), (105, 2758608), (108, 2681980), (112, 2586195), (120, 2413782), (126, 2298840), (135, 2145584), (140, 2068956), (144, 2011485), (168, 1724130), (180, 1609188), (189, 1532560), (210, 1379304), (216, 1340990), (240, 1206891), (252, 1149420), (270, 1072792), (280, 1034478), (315, 919536), (336, 862065), (360, 804594), (378, 766280), (420, 689652), (432, 670495), (504, 574710), (540, 536396), (560, 517239), (630, 459768), (720, 402297), (756, 383140), (840, 344826), (945, 306512), (1008, 287355), (1080, 268198), (1260, 229884), (1512, 191570), (1680, 172413), (1890, 153256), (2160, 134099), (2520, 114942), (3024, 95785), (3780, 76628), (5040, 57471), (7560, 38314), (15120, 19157)]