381131520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 288

約数和(自身を含む): 1518773760

約数和(自身を除く): 1137642240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 768, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1280, 1289, 1320, 1344, 1408, 1540, 1680, 1760, 1792, 1848, 1920, 2112, 2240, 2310, 2464, 2578, 2640, 2688, 2816, 3080, 3360, 3520, 3696, 3840, 3867, 4224, 4480, 4620, 4928, 5156, 5280, 5376, 6160, 6445, 6720, 7040, 7392, 7734, 8448, 8960, 9023, 9240, 9856, 10312, 10560, 12320, 12890, 13440, 14080, 14179, 14784, 15468, 18046, 18480, 19335, 19712, 20624, 21120, 24640, 25780, 26880, 27069, 28358, 29568, 30936, 36092, 36960, 38670, 41248, 42240, 42537, 45115, 49280, 51560, 54138, 56716, 59136, 61872, 70895, 72184, 73920, 77340, 82496, 85074, 90230, 98560, 99253, 103120, 108276, 113432, 123744, 135345, 141790, 144368, 147840, 154680, 164992, 170148, 180460, 198506, 206240, 212685, 216552, 226864, 247488, 270690, 283580, 288736, 295680, 297759, 309360, 329984, 340296, 360920, 397012, 412480, 425370, 433104, 453728, 494976, 496265, 541380, 567160, 577472, 595518, 618720, 680592, 721840, 794024, 824960, 850740, 866208, 907456, 989952, 992530, 1082760, 1134320, 1154944, 1191036, 1237440, 1361184, 1443680, 1488795, 1588048, 1649920, 1701480, 1732416, 1814912, 1985060, 2165520, 2268640, 2309888, 2382072, 2474880, 2722368, 2887360, 2977590, 3176096, 3402960, 3464832, 3629824, 3970120, 4331040, 4537280, 4764144, 4949760, 5444736, 5774720, 5955180, 6352192, 6805920, 6929664, 7940240, 8662080, 9074560, 9528288, 10889472, 11549440, 11910360, 12704384, 13611840, 15880480, 17324160, 18149120, 19056576, 23820720, 25408768, 27223680, 31760960, 34648320, 38113152, 47641440, 54447360, 63521920, 76226304, 95282880, 127043840, 190565760, 381131520]

約数ペア:

[(1, 381131520), (2, 190565760), (3, 127043840), (4, 95282880), (5, 76226304), (6, 63521920), (7, 54447360), (8, 47641440), (10, 38113152), (11, 34648320), (12, 31760960), (14, 27223680), (15, 25408768), (16, 23820720), (20, 19056576), (21, 18149120), (22, 17324160), (24, 15880480), (28, 13611840), (30, 12704384), (32, 11910360), (33, 11549440), (35, 10889472), (40, 9528288), (42, 9074560), (44, 8662080), (48, 7940240), (55, 6929664), (56, 6805920), (60, 6352192), (64, 5955180), (66, 5774720), (70, 5444736), (77, 4949760), (80, 4764144), (84, 4537280), (88, 4331040), (96, 3970120), (105, 3629824), (110, 3464832), (112, 3402960), (120, 3176096), (128, 2977590), (132, 2887360), (140, 2722368), (154, 2474880), (160, 2382072), (165, 2309888), (168, 2268640), (176, 2165520), (192, 1985060), (210, 1814912), (220, 1732416), (224, 1701480), (231, 1649920), (240, 1588048), (256, 1488795), (264, 1443680), (280, 1361184), (308, 1237440), (320, 1191036), (330, 1154944), (336, 1134320), (352, 1082760), (384, 992530), (385, 989952), (420, 907456), (440, 866208), (448, 850740), (462, 824960), (480, 794024), (528, 721840), (560, 680592), (616, 618720), (640, 595518), (660, 577472), (672, 567160), (704, 541380), (768, 496265), (770, 494976), (840, 453728), (880, 433104), (896, 425370), (924, 412480), (960, 397012), (1056, 360920), (1120, 340296), (1155, 329984), (1232, 309360), (1280, 297759), (1289, 295680), (1320, 288736), (1344, 283580), (1408, 270690), (1540, 247488), (1680, 226864), (1760, 216552), (1792, 212685), (1848, 206240), (1920, 198506), (2112, 180460), (2240, 170148), (2310, 164992), (2464, 154680), (2578, 147840), (2640, 144368), (2688, 141790), (2816, 135345), (3080, 123744), (3360, 113432), (3520, 108276), (3696, 103120), (3840, 99253), (3867, 98560), (4224, 90230), (4480, 85074), (4620, 82496), (4928, 77340), (5156, 73920), (5280, 72184), (5376, 70895), (6160, 61872), (6445, 59136), (6720, 56716), (7040, 54138), (7392, 51560), (7734, 49280), (8448, 45115), (8960, 42537), (9023, 42240), (9240, 41248), (9856, 38670), (10312, 36960), (10560, 36092), (12320, 30936), (12890, 29568), (13440, 28358), (14080, 27069), (14179, 26880), (14784, 25780), (15468, 24640), (18046, 21120), (18480, 20624), (19335, 19712)]