1378513920

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{12821}}^1$

素因数の和:12856

約数の個数: 176

約数和(自身を含む): 5039353728

約数和(自身を除く): 3660839808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4480, 5120, 5376, 6720, 7168, 7680, 8960, 10752, 12821, 13440, 15360, 17920, 21504, 25642, 26880, 35840, 38463, 51284, 53760, 64105, 76926, 89747, 102568, 107520, 128210, 153852, 179494, 192315, 205136, 256420, 269241, 307704, 358988, 384630, 410272, 448735, 512840, 538482, 615408, 717976, 769260, 820544, 897470, 1025680, 1076964, 1230816, 1346205, 1435952, 1538520, 1641088, 1794940, 2051360, 2153928, 2461632, 2692410, 2871904, 3077040, 3282176, 3589880, 4102720, 4307856, 4923264, 5384820, 5743808, 6154080, 6564352, 7179760, 8205440, 8615712, 9846528, 10769640, 11487616, 12308160, 13128704, 14359520, 16410880, 17231424, 19693056, 21539280, 22975232, 24616320, 28719040, 32821760, 34462848, 39386112, 43078560, 45950464, 49232640, 57438080, 65643520, 68925696, 86157120, 91900928, 98465280, 114876160, 137851392, 172314240, 196930560, 229752320, 275702784, 344628480, 459504640, 689256960, 1378513920]

約数ペア:

[(1, 1378513920), (2, 689256960), (3, 459504640), (4, 344628480), (5, 275702784), (6, 229752320), (7, 196930560), (8, 172314240), (10, 137851392), (12, 114876160), (14, 98465280), (15, 91900928), (16, 86157120), (20, 68925696), (21, 65643520), (24, 57438080), (28, 49232640), (30, 45950464), (32, 43078560), (35, 39386112), (40, 34462848), (42, 32821760), (48, 28719040), (56, 24616320), (60, 22975232), (64, 21539280), (70, 19693056), (80, 17231424), (84, 16410880), (96, 14359520), (105, 13128704), (112, 12308160), (120, 11487616), (128, 10769640), (140, 9846528), (160, 8615712), (168, 8205440), (192, 7179760), (210, 6564352), (224, 6154080), (240, 5743808), (256, 5384820), (280, 4923264), (320, 4307856), (336, 4102720), (384, 3589880), (420, 3282176), (448, 3077040), (480, 2871904), (512, 2692410), (560, 2461632), (640, 2153928), (672, 2051360), (768, 1794940), (840, 1641088), (896, 1538520), (960, 1435952), (1024, 1346205), (1120, 1230816), (1280, 1076964), (1344, 1025680), (1536, 897470), (1680, 820544), (1792, 769260), (1920, 717976), (2240, 615408), (2560, 538482), (2688, 512840), (3072, 448735), (3360, 410272), (3584, 384630), (3840, 358988), (4480, 307704), (5120, 269241), (5376, 256420), (6720, 205136), (7168, 192315), (7680, 179494), (8960, 153852), (10752, 128210), (12821, 107520), (13440, 102568), (15360, 89747), (17920, 76926), (21504, 64105), (25642, 53760), (26880, 51284), (35840, 38463)]