1312590720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:925

約数の個数: 256

約数和(自身を含む): 4825497600

約数和(自身を除く): 3512906880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 128, 140, 160, 168, 192, 210, 224, 240, 254, 280, 320, 336, 381, 384, 420, 448, 480, 508, 560, 635, 640, 672, 762, 769, 840, 889, 896, 960, 1016, 1120, 1270, 1344, 1524, 1538, 1680, 1778, 1905, 1920, 2032, 2240, 2307, 2540, 2667, 2688, 3048, 3076, 3360, 3556, 3810, 3845, 4064, 4445, 4480, 4614, 5080, 5334, 5383, 6096, 6152, 6720, 7112, 7620, 7690, 8128, 8890, 9228, 10160, 10668, 10766, 11535, 12192, 12304, 13335, 13440, 14224, 15240, 15380, 16149, 16256, 17780, 18456, 20320, 21336, 21532, 23070, 24384, 24608, 26670, 26915, 28448, 30480, 30760, 32298, 35560, 36912, 40640, 42672, 43064, 46140, 48768, 49216, 53340, 53830, 56896, 60960, 61520, 64596, 71120, 73824, 80745, 81280, 85344, 86128, 92280, 97663, 98432, 106680, 107660, 113792, 121920, 123040, 129192, 142240, 147648, 161490, 170688, 172256, 184560, 195326, 213360, 215320, 243840, 246080, 258384, 284480, 292989, 295296, 322980, 341376, 344512, 369120, 390652, 426720, 430640, 488315, 492160, 516768, 568960, 585978, 645960, 683641, 689024, 738240, 781304, 853440, 861280, 976630, 1033536, 1171956, 1291920, 1367282, 1464945, 1476480, 1562608, 1706880, 1722560, 1953260, 2050923, 2067072, 2343912, 2583840, 2734564, 2929890, 3125216, 3418205, 3445120, 3906520, 4101846, 4687824, 5167680, 5469128, 5859780, 6250432, 6836410, 7813040, 8203692, 9375648, 10254615, 10335360, 10938256, 11719560, 12500864, 13672820, 15626080, 16407384, 18751296, 20509230, 21876512, 23439120, 27345640, 31252160, 32814768, 37502592, 41018460, 43753024, 46878240, 54691280, 62504320, 65629536, 82036920, 87506048, 93756480, 109382560, 131259072, 164073840, 187512960, 218765120, 262518144, 328147680, 437530240, 656295360, 1312590720]

約数ペア:

[(1, 1312590720), (2, 656295360), (3, 437530240), (4, 328147680), (5, 262518144), (6, 218765120), (7, 187512960), (8, 164073840), (10, 131259072), (12, 109382560), (14, 93756480), (15, 87506048), (16, 82036920), (20, 65629536), (21, 62504320), (24, 54691280), (28, 46878240), (30, 43753024), (32, 41018460), (35, 37502592), (40, 32814768), (42, 31252160), (48, 27345640), (56, 23439120), (60, 21876512), (64, 20509230), (70, 18751296), (80, 16407384), (84, 15626080), (96, 13672820), (105, 12500864), (112, 11719560), (120, 10938256), (127, 10335360), (128, 10254615), (140, 9375648), (160, 8203692), (168, 7813040), (192, 6836410), (210, 6250432), (224, 5859780), (240, 5469128), (254, 5167680), (280, 4687824), (320, 4101846), (336, 3906520), (381, 3445120), (384, 3418205), (420, 3125216), (448, 2929890), (480, 2734564), (508, 2583840), (560, 2343912), (635, 2067072), (640, 2050923), (672, 1953260), (762, 1722560), (769, 1706880), (840, 1562608), (889, 1476480), (896, 1464945), (960, 1367282), (1016, 1291920), (1120, 1171956), (1270, 1033536), (1344, 976630), (1524, 861280), (1538, 853440), (1680, 781304), (1778, 738240), (1905, 689024), (1920, 683641), (2032, 645960), (2240, 585978), (2307, 568960), (2540, 516768), (2667, 492160), (2688, 488315), (3048, 430640), (3076, 426720), (3360, 390652), (3556, 369120), (3810, 344512), (3845, 341376), (4064, 322980), (4445, 295296), (4480, 292989), (4614, 284480), (5080, 258384), (5334, 246080), (5383, 243840), (6096, 215320), (6152, 213360), (6720, 195326), (7112, 184560), (7620, 172256), (7690, 170688), (8128, 161490), (8890, 147648), (9228, 142240), (10160, 129192), (10668, 123040), (10766, 121920), (11535, 113792), (12192, 107660), (12304, 106680), (13335, 98432), (13440, 97663), (14224, 92280), (15240, 86128), (15380, 85344), (16149, 81280), (16256, 80745), (17780, 73824), (18456, 71120), (20320, 64596), (21336, 61520), (21532, 60960), (23070, 56896), (24384, 53830), (24608, 53340), (26670, 49216), (26915, 48768), (28448, 46140), (30480, 43064), (30760, 42672), (32298, 40640), (35560, 36912)]