399073920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 256

約数和(自身を含む): 1518151680

約数和(自身を除く): 1119077760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 920, 960, 966, 1104, 1120, 1288, 1291, 1344, 1380, 1472, 1610, 1680, 1840, 1920, 1932, 2208, 2240, 2415, 2576, 2582, 2688, 2760, 2944, 3220, 3360, 3680, 3864, 3873, 4416, 4480, 4830, 5152, 5164, 5520, 6440, 6455, 6720, 7360, 7728, 7746, 8832, 9037, 9660, 10304, 10328, 11040, 12880, 12910, 13440, 14720, 15456, 15492, 18074, 19320, 19365, 20608, 20656, 22080, 25760, 25820, 27111, 29693, 30912, 30984, 36148, 38640, 38730, 41312, 44160, 45185, 51520, 51640, 54222, 59386, 61824, 61968, 72296, 77280, 77460, 82624, 89079, 90370, 103040, 103280, 108444, 118772, 123936, 135555, 144592, 148465, 154560, 154920, 165248, 178158, 180740, 206560, 207851, 216888, 237544, 247872, 271110, 289184, 296930, 309120, 309840, 356316, 361480, 413120, 415702, 433776, 445395, 475088, 495744, 542220, 578368, 593860, 619680, 623553, 712632, 722960, 826240, 831404, 867552, 890790, 950176, 1039255, 1084440, 1156736, 1187720, 1239360, 1247106, 1425264, 1445920, 1662808, 1735104, 1781580, 1900352, 2078510, 2168880, 2375440, 2478720, 2494212, 2850528, 2891840, 3117765, 3325616, 3470208, 3563160, 3800704, 4157020, 4337760, 4750880, 4988424, 5701056, 5783680, 6235530, 6651232, 7126320, 8314040, 8675520, 9501760, 9976848, 11402112, 12471060, 13302464, 14252640, 16628080, 17351040, 19003520, 19953696, 24942120, 26604928, 28505280, 33256160, 39907392, 49884240, 57010560, 66512320, 79814784, 99768480, 133024640, 199536960, 399073920]

約数ペア:

[(1, 399073920), (2, 199536960), (3, 133024640), (4, 99768480), (5, 79814784), (6, 66512320), (7, 57010560), (8, 49884240), (10, 39907392), (12, 33256160), (14, 28505280), (15, 26604928), (16, 24942120), (20, 19953696), (21, 19003520), (23, 17351040), (24, 16628080), (28, 14252640), (30, 13302464), (32, 12471060), (35, 11402112), (40, 9976848), (42, 9501760), (46, 8675520), (48, 8314040), (56, 7126320), (60, 6651232), (64, 6235530), (69, 5783680), (70, 5701056), (80, 4988424), (84, 4750880), (92, 4337760), (96, 4157020), (105, 3800704), (112, 3563160), (115, 3470208), (120, 3325616), (128, 3117765), (138, 2891840), (140, 2850528), (160, 2494212), (161, 2478720), (168, 2375440), (184, 2168880), (192, 2078510), (210, 1900352), (224, 1781580), (230, 1735104), (240, 1662808), (276, 1445920), (280, 1425264), (320, 1247106), (322, 1239360), (336, 1187720), (345, 1156736), (368, 1084440), (384, 1039255), (420, 950176), (448, 890790), (460, 867552), (480, 831404), (483, 826240), (552, 722960), (560, 712632), (640, 623553), (644, 619680), (672, 593860), (690, 578368), (736, 542220), (805, 495744), (840, 475088), (896, 445395), (920, 433776), (960, 415702), (966, 413120), (1104, 361480), (1120, 356316), (1288, 309840), (1291, 309120), (1344, 296930), (1380, 289184), (1472, 271110), (1610, 247872), (1680, 237544), (1840, 216888), (1920, 207851), (1932, 206560), (2208, 180740), (2240, 178158), (2415, 165248), (2576, 154920), (2582, 154560), (2688, 148465), (2760, 144592), (2944, 135555), (3220, 123936), (3360, 118772), (3680, 108444), (3864, 103280), (3873, 103040), (4416, 90370), (4480, 89079), (4830, 82624), (5152, 77460), (5164, 77280), (5520, 72296), (6440, 61968), (6455, 61824), (6720, 59386), (7360, 54222), (7728, 51640), (7746, 51520), (8832, 45185), (9037, 44160), (9660, 41312), (10304, 38730), (10328, 38640), (11040, 36148), (12880, 30984), (12910, 30912), (13440, 29693), (14720, 27111), (15456, 25820), (15492, 25760), (18074, 22080), (19320, 20656), (19365, 20608)]