205306920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2129

約数の個数: 256

約数和(自身を含む): 842688000

約数和(自身を除く): 637381080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2089, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4178, 4680, 4914, 5460, 6267, 6552, 7020, 7560, 8190, 8356, 9828, 10445, 10920, 12285, 12534, 14040, 14623, 16380, 16712, 18801, 19656, 20890, 24570, 25068, 27157, 29246, 31335, 32760, 37602, 41780, 43869, 49140, 50136, 54314, 56403, 58492, 62670, 73115, 75204, 81471, 83560, 87738, 94005, 98280, 108628, 112806, 116984, 125340, 131607, 135785, 146230, 150408, 162942, 175476, 188010, 190099, 217256, 219345, 225612, 244413, 250680, 263214, 271570, 282015, 292460, 325884, 350952, 376020, 380198, 394821, 407355, 438690, 451224, 488826, 526428, 543140, 564030, 570297, 584920, 651768, 658035, 733239, 752040, 760396, 789642, 814710, 877380, 950495, 977652, 1052856, 1086280, 1128060, 1140594, 1222065, 1316070, 1466478, 1520792, 1579284, 1629420, 1710891, 1754760, 1900990, 1955304, 1974105, 2256120, 2281188, 2444130, 2632140, 2851485, 2932956, 3158568, 3258840, 3421782, 3666195, 3801980, 3948210, 4562376, 4888260, 5132673, 5264280, 5702970, 5865912, 6843564, 7332390, 7603960, 7896420, 8554455, 9776520, 10265346, 11405940, 13687128, 14664780, 15792840, 17108910, 20530692, 22811880, 25663365, 29329560, 34217820, 41061384, 51326730, 68435640, 102653460, 205306920]

約数ペア:

[(1, 205306920), (2, 102653460), (3, 68435640), (4, 51326730), (5, 41061384), (6, 34217820), (7, 29329560), (8, 25663365), (9, 22811880), (10, 20530692), (12, 17108910), (13, 15792840), (14, 14664780), (15, 13687128), (18, 11405940), (20, 10265346), (21, 9776520), (24, 8554455), (26, 7896420), (27, 7603960), (28, 7332390), (30, 6843564), (35, 5865912), (36, 5702970), (39, 5264280), (40, 5132673), (42, 4888260), (45, 4562376), (52, 3948210), (54, 3801980), (56, 3666195), (60, 3421782), (63, 3258840), (65, 3158568), (70, 2932956), (72, 2851485), (78, 2632140), (84, 2444130), (90, 2281188), (91, 2256120), (104, 1974105), (105, 1955304), (108, 1900990), (117, 1754760), (120, 1710891), (126, 1629420), (130, 1579284), (135, 1520792), (140, 1466478), (156, 1316070), (168, 1222065), (180, 1140594), (182, 1128060), (189, 1086280), (195, 1052856), (210, 977652), (216, 950495), (234, 877380), (252, 814710), (260, 789642), (270, 760396), (273, 752040), (280, 733239), (312, 658035), (315, 651768), (351, 584920), (360, 570297), (364, 564030), (378, 543140), (390, 526428), (420, 488826), (455, 451224), (468, 438690), (504, 407355), (520, 394821), (540, 380198), (546, 376020), (585, 350952), (630, 325884), (702, 292460), (728, 282015), (756, 271570), (780, 263214), (819, 250680), (840, 244413), (910, 225612), (936, 219345), (945, 217256), (1080, 190099), (1092, 188010), (1170, 175476), (1260, 162942), (1365, 150408), (1404, 146230), (1512, 135785), (1560, 131607), (1638, 125340), (1755, 116984), (1820, 112806), (1890, 108628), (2089, 98280), (2184, 94005), (2340, 87738), (2457, 83560), (2520, 81471), (2730, 75204), (2808, 73115), (3276, 62670), (3510, 58492), (3640, 56403), (3780, 54314), (4095, 50136), (4178, 49140), (4680, 43869), (4914, 41780), (5460, 37602), (6267, 32760), (6552, 31335), (7020, 29246), (7560, 27157), (8190, 25068), (8356, 24570), (9828, 20890), (10445, 19656), (10920, 18801), (12285, 16712), (12534, 16380), (14040, 14623)]