1281386880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{827}}^1$

素因数の和:1121

約数の個数: 192

約数和(自身を含む): 4446608400

約数和(自身を除く): 3165221520

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, 269, 288, 320, 360, 384, 480, 538, 576, 640, 720, 807, 827, 960, 1076, 1152, 1345, 1440, 1614, 1654, 1920, 2152, 2421, 2481, 2690, 2880, 3228, 3308, 4035, 4135, 4304, 4842, 4962, 5380, 5760, 6456, 6616, 7443, 8070, 8270, 8608, 9684, 9924, 10760, 12105, 12405, 12912, 13232, 14886, 16140, 16540, 17216, 19368, 19848, 21520, 24210, 24810, 25824, 26464, 29772, 32280, 33080, 34432, 37215, 38736, 39696, 43040, 48420, 49620, 51648, 52928, 59544, 64560, 66160, 74430, 77472, 79392, 86080, 96840, 99240, 103296, 105856, 119088, 129120, 132320, 148860, 154944, 158784, 172160, 193680, 198480, 222463, 238176, 258240, 264640, 297720, 309888, 317568, 387360, 396960, 444926, 476352, 516480, 529280, 595440, 667389, 774720, 793920, 889852, 952704, 1112315, 1190880, 1334778, 1549440, 1587840, 1779704, 2002167, 2224630, 2381760, 2669556, 3336945, 3559408, 4004334, 4449260, 4763520, 5339112, 6673890, 7118816, 8008668, 8898520, 10010835, 10678224, 13347780, 14237632, 16017336, 17797040, 20021670, 21356448, 26695560, 28475264, 32034672, 35594080, 40043340, 42712896, 53391120, 64069344, 71188160, 80086680, 85425792, 106782240, 128138688, 142376320, 160173360, 213564480, 256277376, 320346720, 427128960, 640693440, 1281386880]

約数ペア:

[(1, 1281386880), (2, 640693440), (3, 427128960), (4, 320346720), (5, 256277376), (6, 213564480), (8, 160173360), (9, 142376320), (10, 128138688), (12, 106782240), (15, 85425792), (16, 80086680), (18, 71188160), (20, 64069344), (24, 53391120), (30, 42712896), (32, 40043340), (36, 35594080), (40, 32034672), (45, 28475264), (48, 26695560), (60, 21356448), (64, 20021670), (72, 17797040), (80, 16017336), (90, 14237632), (96, 13347780), (120, 10678224), (128, 10010835), (144, 8898520), (160, 8008668), (180, 7118816), (192, 6673890), (240, 5339112), (269, 4763520), (288, 4449260), (320, 4004334), (360, 3559408), (384, 3336945), (480, 2669556), (538, 2381760), (576, 2224630), (640, 2002167), (720, 1779704), (807, 1587840), (827, 1549440), (960, 1334778), (1076, 1190880), (1152, 1112315), (1345, 952704), (1440, 889852), (1614, 793920), (1654, 774720), (1920, 667389), (2152, 595440), (2421, 529280), (2481, 516480), (2690, 476352), (2880, 444926), (3228, 396960), (3308, 387360), (4035, 317568), (4135, 309888), (4304, 297720), (4842, 264640), (4962, 258240), (5380, 238176), (5760, 222463), (6456, 198480), (6616, 193680), (7443, 172160), (8070, 158784), (8270, 154944), (8608, 148860), (9684, 132320), (9924, 129120), (10760, 119088), (12105, 105856), (12405, 103296), (12912, 99240), (13232, 96840), (14886, 86080), (16140, 79392), (16540, 77472), (17216, 74430), (19368, 66160), (19848, 64560), (21520, 59544), (24210, 52928), (24810, 51648), (25824, 49620), (26464, 48420), (29772, 43040), (32280, 39696), (33080, 38736), (34432, 37215)]