1380026880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:791

約数の個数: 240

約数和(自身を含む): 4840304040

約数和(自身を除く): 3460277160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 240, 256, 267, 288, 320, 356, 360, 384, 445, 480, 512, 534, 576, 640, 673, 712, 720, 768, 801, 890, 960, 1068, 1152, 1280, 1335, 1346, 1424, 1440, 1536, 1602, 1780, 1920, 2019, 2136, 2304, 2560, 2670, 2692, 2848, 2880, 3204, 3365, 3560, 3840, 4005, 4038, 4272, 4608, 5340, 5384, 5696, 5760, 6057, 6408, 6730, 7120, 7680, 8010, 8076, 8544, 10095, 10680, 10768, 11392, 11520, 12114, 12816, 13460, 14240, 16020, 16152, 17088, 20190, 21360, 21536, 22784, 23040, 24228, 25632, 26920, 28480, 30285, 32040, 32304, 34176, 40380, 42720, 43072, 45568, 48456, 51264, 53840, 56960, 59897, 60570, 64080, 64608, 68352, 80760, 85440, 86144, 96912, 102528, 107680, 113920, 119794, 121140, 128160, 129216, 136704, 161520, 170880, 172288, 179691, 193824, 205056, 215360, 227840, 239588, 242280, 256320, 258432, 299485, 323040, 341760, 344576, 359382, 387648, 410112, 430720, 479176, 484560, 512640, 516864, 539073, 598970, 646080, 683520, 718764, 775296, 861440, 898455, 958352, 969120, 1025280, 1033728, 1078146, 1197940, 1292160, 1437528, 1550592, 1722880, 1796910, 1916704, 1938240, 2050560, 2156292, 2395880, 2584320, 2695365, 2875056, 3101184, 3593820, 3833408, 3876480, 4312584, 4791760, 5168640, 5390730, 5750112, 7187640, 7666816, 7752960, 8625168, 9583520, 10781460, 11500224, 14375280, 15333632, 15505920, 17250336, 19167040, 21562920, 23000448, 28750560, 30667264, 34500672, 38334080, 43125840, 46000896, 57501120, 69001344, 76668160, 86251680, 92001792, 115002240, 138002688, 153336320, 172503360, 230004480, 276005376, 345006720, 460008960, 690013440, 1380026880]

約数ペア:

[(1, 1380026880), (2, 690013440), (3, 460008960), (4, 345006720), (5, 276005376), (6, 230004480), (8, 172503360), (9, 153336320), (10, 138002688), (12, 115002240), (15, 92001792), (16, 86251680), (18, 76668160), (20, 69001344), (24, 57501120), (30, 46000896), (32, 43125840), (36, 38334080), (40, 34500672), (45, 30667264), (48, 28750560), (60, 23000448), (64, 21562920), (72, 19167040), (80, 17250336), (89, 15505920), (90, 15333632), (96, 14375280), (120, 11500224), (128, 10781460), (144, 9583520), (160, 8625168), (178, 7752960), (180, 7666816), (192, 7187640), (240, 5750112), (256, 5390730), (267, 5168640), (288, 4791760), (320, 4312584), (356, 3876480), (360, 3833408), (384, 3593820), (445, 3101184), (480, 2875056), (512, 2695365), (534, 2584320), (576, 2395880), (640, 2156292), (673, 2050560), (712, 1938240), (720, 1916704), (768, 1796910), (801, 1722880), (890, 1550592), (960, 1437528), (1068, 1292160), (1152, 1197940), (1280, 1078146), (1335, 1033728), (1346, 1025280), (1424, 969120), (1440, 958352), (1536, 898455), (1602, 861440), (1780, 775296), (1920, 718764), (2019, 683520), (2136, 646080), (2304, 598970), (2560, 539073), (2670, 516864), (2692, 512640), (2848, 484560), (2880, 479176), (3204, 430720), (3365, 410112), (3560, 387648), (3840, 359382), (4005, 344576), (4038, 341760), (4272, 323040), (4608, 299485), (5340, 258432), (5384, 256320), (5696, 242280), (5760, 239588), (6057, 227840), (6408, 215360), (6730, 205056), (7120, 193824), (7680, 179691), (8010, 172288), (8076, 170880), (8544, 161520), (10095, 136704), (10680, 129216), (10768, 128160), (11392, 121140), (11520, 119794), (12114, 113920), (12816, 107680), (13460, 102528), (14240, 96912), (16020, 86144), (16152, 85440), (17088, 80760), (20190, 68352), (21360, 64608), (21536, 64080), (22784, 60570), (23040, 59897), (24228, 56960), (25632, 53840), (26920, 51264), (28480, 48456), (30285, 45568), (32040, 43072), (32304, 42720), (34176, 40380)]