1856401920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:635

約数の個数: 240

約数和(自身を含む): 6477676920

約数和(自身を除く): 4621275000

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, 197, 240, 256, 288, 320, 360, 384, 394, 409, 480, 512, 576, 591, 640, 720, 768, 788, 818, 960, 985, 1152, 1182, 1227, 1280, 1440, 1536, 1576, 1636, 1773, 1920, 1970, 2045, 2304, 2364, 2454, 2560, 2880, 2955, 3152, 3272, 3546, 3681, 3840, 3940, 4090, 4608, 4728, 4908, 5760, 5910, 6135, 6304, 6544, 7092, 7362, 7680, 7880, 8180, 8865, 9456, 9816, 11520, 11820, 12270, 12608, 13088, 14184, 14724, 15760, 16360, 17730, 18405, 18912, 19632, 23040, 23640, 24540, 25216, 26176, 28368, 29448, 31520, 32720, 35460, 36810, 37824, 39264, 47280, 49080, 50432, 52352, 56736, 58896, 63040, 65440, 70920, 73620, 75648, 78528, 80573, 94560, 98160, 100864, 104704, 113472, 117792, 126080, 130880, 141840, 147240, 151296, 157056, 161146, 189120, 196320, 209408, 226944, 235584, 241719, 252160, 261760, 283680, 294480, 302592, 314112, 322292, 378240, 392640, 402865, 453888, 471168, 483438, 504320, 523520, 567360, 588960, 628224, 644584, 725157, 756480, 785280, 805730, 907776, 942336, 966876, 1047040, 1134720, 1177920, 1208595, 1289168, 1450314, 1512960, 1570560, 1611460, 1884672, 1933752, 2269440, 2355840, 2417190, 2578336, 2900628, 3141120, 3222920, 3625785, 3867504, 4538880, 4711680, 4834380, 5156672, 5801256, 6445840, 7251570, 7735008, 9423360, 9668760, 10313344, 11602512, 12891680, 14503140, 15470016, 19337520, 20626688, 23205024, 25783360, 29006280, 30940032, 38675040, 41253376, 46410048, 51566720, 58012560, 61880064, 77350080, 92820096, 103133440, 116025120, 123760128, 154700160, 185640192, 206266880, 232050240, 309400320, 371280384, 464100480, 618800640, 928200960, 1856401920]

約数ペア:

[(1, 1856401920), (2, 928200960), (3, 618800640), (4, 464100480), (5, 371280384), (6, 309400320), (8, 232050240), (9, 206266880), (10, 185640192), (12, 154700160), (15, 123760128), (16, 116025120), (18, 103133440), (20, 92820096), (24, 77350080), (30, 61880064), (32, 58012560), (36, 51566720), (40, 46410048), (45, 41253376), (48, 38675040), (60, 30940032), (64, 29006280), (72, 25783360), (80, 23205024), (90, 20626688), (96, 19337520), (120, 15470016), (128, 14503140), (144, 12891680), (160, 11602512), (180, 10313344), (192, 9668760), (197, 9423360), (240, 7735008), (256, 7251570), (288, 6445840), (320, 5801256), (360, 5156672), (384, 4834380), (394, 4711680), (409, 4538880), (480, 3867504), (512, 3625785), (576, 3222920), (591, 3141120), (640, 2900628), (720, 2578336), (768, 2417190), (788, 2355840), (818, 2269440), (960, 1933752), (985, 1884672), (1152, 1611460), (1182, 1570560), (1227, 1512960), (1280, 1450314), (1440, 1289168), (1536, 1208595), (1576, 1177920), (1636, 1134720), (1773, 1047040), (1920, 966876), (1970, 942336), (2045, 907776), (2304, 805730), (2364, 785280), (2454, 756480), (2560, 725157), (2880, 644584), (2955, 628224), (3152, 588960), (3272, 567360), (3546, 523520), (3681, 504320), (3840, 483438), (3940, 471168), (4090, 453888), (4608, 402865), (4728, 392640), (4908, 378240), (5760, 322292), (5910, 314112), (6135, 302592), (6304, 294480), (6544, 283680), (7092, 261760), (7362, 252160), (7680, 241719), (7880, 235584), (8180, 226944), (8865, 209408), (9456, 196320), (9816, 189120), (11520, 161146), (11820, 157056), (12270, 151296), (12608, 147240), (13088, 141840), (14184, 130880), (14724, 126080), (15760, 117792), (16360, 113472), (17730, 104704), (18405, 100864), (18912, 98160), (19632, 94560), (23040, 80573), (23640, 78528), (24540, 75648), (25216, 73620), (26176, 70920), (28368, 65440), (29448, 63040), (31520, 58896), (32720, 56736), (35460, 52352), (36810, 50432), (37824, 49080), (39264, 47280)]