1278282240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 240

約数和(自身を含む): 4476443400

約数和(自身を除く): 3198161160

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, 90, 96, 109, 120, 128, 144, 160, 180, 192, 218, 240, 256, 288, 320, 327, 360, 384, 436, 480, 509, 512, 545, 576, 640, 654, 720, 768, 872, 960, 981, 1018, 1090, 1152, 1280, 1308, 1440, 1527, 1536, 1635, 1744, 1920, 1962, 2036, 2180, 2304, 2545, 2560, 2616, 2880, 3054, 3270, 3488, 3840, 3924, 4072, 4360, 4581, 4608, 4905, 5090, 5232, 5760, 6108, 6540, 6976, 7635, 7680, 7848, 8144, 8720, 9162, 9810, 10180, 10464, 11520, 12216, 13080, 13952, 15270, 15696, 16288, 17440, 18324, 19620, 20360, 20928, 22905, 23040, 24432, 26160, 27904, 30540, 31392, 32576, 34880, 36648, 39240, 40720, 41856, 45810, 48864, 52320, 55481, 55808, 61080, 62784, 65152, 69760, 73296, 78480, 81440, 83712, 91620, 97728, 104640, 110962, 122160, 125568, 130304, 139520, 146592, 156960, 162880, 166443, 167424, 183240, 195456, 209280, 221924, 244320, 251136, 260608, 277405, 279040, 293184, 313920, 325760, 332886, 366480, 390912, 418560, 443848, 488640, 499329, 502272, 554810, 586368, 627840, 651520, 665772, 732960, 781824, 832215, 837120, 887696, 977280, 998658, 1109620, 1172736, 1255680, 1303040, 1331544, 1465920, 1664430, 1775392, 1954560, 1997316, 2219240, 2345472, 2496645, 2511360, 2663088, 2931840, 3328860, 3550784, 3909120, 3994632, 4438480, 4993290, 5326176, 5863680, 6657720, 7101568, 7989264, 8876960, 9986580, 10652352, 11727360, 13315440, 14203136, 15978528, 17753920, 19973160, 21304704, 26630880, 28406272, 31957056, 35507840, 39946320, 42609408, 53261760, 63914112, 71015680, 79892640, 85218816, 106523520, 127828224, 142031360, 159785280, 213047040, 255656448, 319570560, 426094080, 639141120, 1278282240]

約数ペア:

[(1, 1278282240), (2, 639141120), (3, 426094080), (4, 319570560), (5, 255656448), (6, 213047040), (8, 159785280), (9, 142031360), (10, 127828224), (12, 106523520), (15, 85218816), (16, 79892640), (18, 71015680), (20, 63914112), (24, 53261760), (30, 42609408), (32, 39946320), (36, 35507840), (40, 31957056), (45, 28406272), (48, 26630880), (60, 21304704), (64, 19973160), (72, 17753920), (80, 15978528), (90, 14203136), (96, 13315440), (109, 11727360), (120, 10652352), (128, 9986580), (144, 8876960), (160, 7989264), (180, 7101568), (192, 6657720), (218, 5863680), (240, 5326176), (256, 4993290), (288, 4438480), (320, 3994632), (327, 3909120), (360, 3550784), (384, 3328860), (436, 2931840), (480, 2663088), (509, 2511360), (512, 2496645), (545, 2345472), (576, 2219240), (640, 1997316), (654, 1954560), (720, 1775392), (768, 1664430), (872, 1465920), (960, 1331544), (981, 1303040), (1018, 1255680), (1090, 1172736), (1152, 1109620), (1280, 998658), (1308, 977280), (1440, 887696), (1527, 837120), (1536, 832215), (1635, 781824), (1744, 732960), (1920, 665772), (1962, 651520), (2036, 627840), (2180, 586368), (2304, 554810), (2545, 502272), (2560, 499329), (2616, 488640), (2880, 443848), (3054, 418560), (3270, 390912), (3488, 366480), (3840, 332886), (3924, 325760), (4072, 313920), (4360, 293184), (4581, 279040), (4608, 277405), (4905, 260608), (5090, 251136), (5232, 244320), (5760, 221924), (6108, 209280), (6540, 195456), (6976, 183240), (7635, 167424), (7680, 166443), (7848, 162880), (8144, 156960), (8720, 146592), (9162, 139520), (9810, 130304), (10180, 125568), (10464, 122160), (11520, 110962), (12216, 104640), (13080, 97728), (13952, 91620), (15270, 83712), (15696, 81440), (16288, 78480), (17440, 73296), (18324, 69760), (19620, 65152), (20360, 62784), (20928, 61080), (22905, 55808), (23040, 55481), (24432, 52320), (26160, 48864), (27904, 45810), (30540, 41856), (31392, 40720), (32576, 39240), (34880, 36648)]