1997556480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{547}}^1$

素因数の和:891

約数の個数: 216

約数和(自身を含む): 6945814512

約数和(自身を除く): 4948258032

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, 120, 128, 144, 160, 180, 192, 240, 256, 288, 317, 320, 360, 384, 480, 547, 576, 634, 640, 720, 768, 951, 960, 1094, 1152, 1268, 1280, 1440, 1585, 1641, 1902, 1920, 2188, 2304, 2536, 2735, 2853, 2880, 3170, 3282, 3804, 3840, 4376, 4755, 4923, 5072, 5470, 5706, 5760, 6340, 6564, 7608, 8205, 8752, 9510, 9846, 10144, 10940, 11412, 11520, 12680, 13128, 14265, 15216, 16410, 17504, 19020, 19692, 20288, 21880, 22824, 24615, 25360, 26256, 28530, 30432, 32820, 35008, 38040, 39384, 40576, 43760, 45648, 49230, 50720, 52512, 57060, 60864, 65640, 70016, 76080, 78768, 81152, 87520, 91296, 98460, 101440, 105024, 114120, 121728, 131280, 140032, 152160, 157536, 173399, 175040, 182592, 196920, 202880, 210048, 228240, 243456, 262560, 304320, 315072, 346798, 350080, 365184, 393840, 405760, 420096, 456480, 520197, 525120, 608640, 630144, 693596, 700160, 730368, 787680, 866995, 912960, 1040394, 1050240, 1217280, 1260288, 1387192, 1560591, 1575360, 1733990, 1825920, 2080788, 2100480, 2600985, 2774384, 3121182, 3150720, 3467980, 3651840, 4161576, 5201970, 5548768, 6242364, 6301440, 6935960, 7802955, 8323152, 10403940, 11097536, 12484728, 13871920, 15605910, 16646304, 20807880, 22195072, 24969456, 27743840, 31211820, 33292608, 41615760, 44390144, 49938912, 55487680, 62423640, 66585216, 83231520, 99877824, 110975360, 124847280, 133170432, 166463040, 199755648, 221950720, 249694560, 332926080, 399511296, 499389120, 665852160, 998778240, 1997556480]

約数ペア:

[(1, 1997556480), (2, 998778240), (3, 665852160), (4, 499389120), (5, 399511296), (6, 332926080), (8, 249694560), (9, 221950720), (10, 199755648), (12, 166463040), (15, 133170432), (16, 124847280), (18, 110975360), (20, 99877824), (24, 83231520), (30, 66585216), (32, 62423640), (36, 55487680), (40, 49938912), (45, 44390144), (48, 41615760), (60, 33292608), (64, 31211820), (72, 27743840), (80, 24969456), (90, 22195072), (96, 20807880), (120, 16646304), (128, 15605910), (144, 13871920), (160, 12484728), (180, 11097536), (192, 10403940), (240, 8323152), (256, 7802955), (288, 6935960), (317, 6301440), (320, 6242364), (360, 5548768), (384, 5201970), (480, 4161576), (547, 3651840), (576, 3467980), (634, 3150720), (640, 3121182), (720, 2774384), (768, 2600985), (951, 2100480), (960, 2080788), (1094, 1825920), (1152, 1733990), (1268, 1575360), (1280, 1560591), (1440, 1387192), (1585, 1260288), (1641, 1217280), (1902, 1050240), (1920, 1040394), (2188, 912960), (2304, 866995), (2536, 787680), (2735, 730368), (2853, 700160), (2880, 693596), (3170, 630144), (3282, 608640), (3804, 525120), (3840, 520197), (4376, 456480), (4755, 420096), (4923, 405760), (5072, 393840), (5470, 365184), (5706, 350080), (5760, 346798), (6340, 315072), (6564, 304320), (7608, 262560), (8205, 243456), (8752, 228240), (9510, 210048), (9846, 202880), (10144, 196920), (10940, 182592), (11412, 175040), (11520, 173399), (12680, 157536), (13128, 152160), (14265, 140032), (15216, 131280), (16410, 121728), (17504, 114120), (19020, 105024), (19692, 101440), (20288, 98460), (21880, 91296), (22824, 87520), (24615, 81152), (25360, 78768), (26256, 76080), (28530, 70016), (30432, 65640), (32820, 60864), (35008, 57060), (38040, 52512), (39384, 50720), (40576, 49230), (43760, 45648)]