494411520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 1589414400

約数和(自身を除く): 1095002880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 256, 320, 384, 398, 480, 597, 640, 647, 768, 796, 960, 995, 1194, 1280, 1294, 1592, 1920, 1941, 1990, 2388, 2588, 2985, 3184, 3235, 3840, 3882, 3980, 4776, 5176, 5970, 6368, 6470, 7764, 7960, 9552, 9705, 10352, 11940, 12736, 12940, 15528, 15920, 19104, 19410, 20704, 23880, 25472, 25880, 31056, 31840, 38208, 38820, 41408, 47760, 50944, 51760, 62112, 63680, 76416, 77640, 82816, 95520, 103520, 124224, 127360, 128753, 152832, 155280, 165632, 191040, 207040, 248448, 254720, 257506, 310560, 382080, 386259, 414080, 496896, 515012, 621120, 643765, 764160, 772518, 828160, 1030024, 1242240, 1287530, 1545036, 1931295, 2060048, 2484480, 2575060, 3090072, 3862590, 4120096, 5150120, 6180144, 7725180, 8240192, 10300240, 12360288, 15450360, 16480384, 20600480, 24720576, 30900720, 32960768, 41200960, 49441152, 61801440, 82401920, 98882304, 123602880, 164803840, 247205760, 494411520]

約数ペア:

[(1, 494411520), (2, 247205760), (3, 164803840), (4, 123602880), (5, 98882304), (6, 82401920), (8, 61801440), (10, 49441152), (12, 41200960), (15, 32960768), (16, 30900720), (20, 24720576), (24, 20600480), (30, 16480384), (32, 15450360), (40, 12360288), (48, 10300240), (60, 8240192), (64, 7725180), (80, 6180144), (96, 5150120), (120, 4120096), (128, 3862590), (160, 3090072), (192, 2575060), (199, 2484480), (240, 2060048), (256, 1931295), (320, 1545036), (384, 1287530), (398, 1242240), (480, 1030024), (597, 828160), (640, 772518), (647, 764160), (768, 643765), (796, 621120), (960, 515012), (995, 496896), (1194, 414080), (1280, 386259), (1294, 382080), (1592, 310560), (1920, 257506), (1941, 254720), (1990, 248448), (2388, 207040), (2588, 191040), (2985, 165632), (3184, 155280), (3235, 152832), (3840, 128753), (3882, 127360), (3980, 124224), (4776, 103520), (5176, 95520), (5970, 82816), (6368, 77640), (6470, 76416), (7764, 63680), (7960, 62112), (9552, 51760), (9705, 50944), (10352, 47760), (11940, 41408), (12736, 38820), (12940, 38208), (15528, 31840), (15920, 31056), (19104, 25880), (19410, 25472), (20704, 23880)]