280439040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10433}}^1$

素因数の和:10464

約数の個数: 144

約数和(自身を含む): 1023700608

約数和(自身を除く): 743261568

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, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10433, 13440, 20866, 26880, 31299, 41732, 52165, 62598, 73031, 83464, 104330, 125196, 146062, 156495, 166928, 208660, 219093, 250392, 292124, 312990, 333856, 365155, 417320, 438186, 500784, 584248, 625980, 667712, 730310, 834640, 876372, 1001568, 1095465, 1168496, 1251960, 1335424, 1460620, 1669280, 1752744, 2003136, 2190930, 2336992, 2503920, 2670848, 2921240, 3338560, 3505488, 4006272, 4381860, 4673984, 5007840, 5842480, 6677120, 7010976, 8012544, 8763720, 9347968, 10015680, 11684960, 13354240, 14021952, 17527440, 18695936, 20031360, 23369920, 28043904, 35054880, 40062720, 46739840, 56087808, 70109760, 93479680, 140219520, 280439040]

約数ペア:

[(1, 280439040), (2, 140219520), (3, 93479680), (4, 70109760), (5, 56087808), (6, 46739840), (7, 40062720), (8, 35054880), (10, 28043904), (12, 23369920), (14, 20031360), (15, 18695936), (16, 17527440), (20, 14021952), (21, 13354240), (24, 11684960), (28, 10015680), (30, 9347968), (32, 8763720), (35, 8012544), (40, 7010976), (42, 6677120), (48, 5842480), (56, 5007840), (60, 4673984), (64, 4381860), (70, 4006272), (80, 3505488), (84, 3338560), (96, 2921240), (105, 2670848), (112, 2503920), (120, 2336992), (128, 2190930), (140, 2003136), (160, 1752744), (168, 1669280), (192, 1460620), (210, 1335424), (224, 1251960), (240, 1168496), (256, 1095465), (280, 1001568), (320, 876372), (336, 834640), (384, 730310), (420, 667712), (448, 625980), (480, 584248), (560, 500784), (640, 438186), (672, 417320), (768, 365155), (840, 333856), (896, 312990), (960, 292124), (1120, 250392), (1280, 219093), (1344, 208660), (1680, 166928), (1792, 156495), (1920, 146062), (2240, 125196), (2688, 104330), (3360, 83464), (3840, 73031), (4480, 62598), (5376, 52165), (6720, 41732), (8960, 31299), (10433, 26880), (13440, 20866)]