2065201920

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{19919}}^1$

素因数の和:19952

約数の個数: 180

約数和(自身を含む): 7390041120

約数和(自身を除く): 5324839200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 4320, 5184, 5760, 6480, 6912, 8640, 10368, 11520, 12960, 17280, 19919, 20736, 25920, 34560, 39838, 51840, 59757, 79676, 99595, 103680, 119514, 159352, 179271, 199190, 239028, 298785, 318704, 358542, 398380, 478056, 537813, 597570, 637408, 717084, 796760, 896355, 956112, 1075626, 1195140, 1274816, 1434168, 1593520, 1613439, 1792710, 1912224, 2151252, 2390280, 2549632, 2689065, 2868336, 3187040, 3226878, 3585420, 3824448, 4302504, 4780560, 5099264, 5378130, 5736672, 6374080, 6453756, 7170840, 7648896, 8067195, 8605008, 9561120, 10756260, 11473344, 12748160, 12907512, 14341680, 15297792, 16134390, 17210016, 19122240, 21512520, 22946688, 25496320, 25815024, 28683360, 32268780, 34420032, 38244480, 43025040, 45893376, 51630048, 57366720, 64537560, 68840064, 76488960, 86050080, 103260096, 114733440, 129075120, 137680128, 172100160, 206520192, 229466880, 258150240, 344200320, 413040384, 516300480, 688400640, 1032600960, 2065201920]

約数ペア:

[(1, 2065201920), (2, 1032600960), (3, 688400640), (4, 516300480), (5, 413040384), (6, 344200320), (8, 258150240), (9, 229466880), (10, 206520192), (12, 172100160), (15, 137680128), (16, 129075120), (18, 114733440), (20, 103260096), (24, 86050080), (27, 76488960), (30, 68840064), (32, 64537560), (36, 57366720), (40, 51630048), (45, 45893376), (48, 43025040), (54, 38244480), (60, 34420032), (64, 32268780), (72, 28683360), (80, 25815024), (81, 25496320), (90, 22946688), (96, 21512520), (108, 19122240), (120, 17210016), (128, 16134390), (135, 15297792), (144, 14341680), (160, 12907512), (162, 12748160), (180, 11473344), (192, 10756260), (216, 9561120), (240, 8605008), (256, 8067195), (270, 7648896), (288, 7170840), (320, 6453756), (324, 6374080), (360, 5736672), (384, 5378130), (405, 5099264), (432, 4780560), (480, 4302504), (540, 3824448), (576, 3585420), (640, 3226878), (648, 3187040), (720, 2868336), (768, 2689065), (810, 2549632), (864, 2390280), (960, 2151252), (1080, 1912224), (1152, 1792710), (1280, 1613439), (1296, 1593520), (1440, 1434168), (1620, 1274816), (1728, 1195140), (1920, 1075626), (2160, 956112), (2304, 896355), (2592, 796760), (2880, 717084), (3240, 637408), (3456, 597570), (3840, 537813), (4320, 478056), (5184, 398380), (5760, 358542), (6480, 318704), (6912, 298785), (8640, 239028), (10368, 199190), (11520, 179271), (12960, 159352), (17280, 119514), (19919, 103680), (20736, 99595), (25920, 79676), (34560, 59757), (39838, 51840)]