638484480

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{433}}^1$

素因数の和:474

約数の個数: 192

約数和(自身を含む): 2218490820

約数和(自身を除く): 1580006340

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, 256, 288, 320, 360, 384, 433, 480, 512, 576, 640, 720, 768, 866, 960, 1024, 1152, 1280, 1299, 1440, 1536, 1732, 1920, 2048, 2165, 2304, 2560, 2598, 2880, 3072, 3464, 3840, 3897, 4096, 4330, 4608, 5120, 5196, 5760, 6144, 6495, 6928, 7680, 7794, 8192, 8660, 9216, 10240, 10392, 11520, 12288, 12990, 13856, 15360, 15588, 16384, 17320, 18432, 19485, 20480, 20784, 23040, 24576, 25980, 27712, 30720, 31176, 32768, 34640, 36864, 38970, 40960, 41568, 46080, 49152, 51960, 55424, 61440, 62352, 69280, 73728, 77940, 81920, 83136, 92160, 98304, 103920, 110848, 122880, 124704, 138560, 147456, 155880, 163840, 166272, 184320, 207840, 221696, 245760, 249408, 277120, 294912, 311760, 332544, 368640, 415680, 443392, 491520, 498816, 554240, 623520, 665088, 737280, 831360, 886784, 997632, 1108480, 1247040, 1330176, 1474560, 1662720, 1773568, 1995264, 2216960, 2494080, 2660352, 3325440, 3547136, 3990528, 4433920, 4988160, 5320704, 6650880, 7094272, 7981056, 8867840, 9976320, 10641408, 13301760, 14188544, 15962112, 17735680, 19952640, 21282816, 26603520, 31924224, 35471360, 39905280, 42565632, 53207040, 63848448, 70942720, 79810560, 106414080, 127696896, 159621120, 212828160, 319242240, 638484480]

約数ペア:

[(1, 638484480), (2, 319242240), (3, 212828160), (4, 159621120), (5, 127696896), (6, 106414080), (8, 79810560), (9, 70942720), (10, 63848448), (12, 53207040), (15, 42565632), (16, 39905280), (18, 35471360), (20, 31924224), (24, 26603520), (30, 21282816), (32, 19952640), (36, 17735680), (40, 15962112), (45, 14188544), (48, 13301760), (60, 10641408), (64, 9976320), (72, 8867840), (80, 7981056), (90, 7094272), (96, 6650880), (120, 5320704), (128, 4988160), (144, 4433920), (160, 3990528), (180, 3547136), (192, 3325440), (240, 2660352), (256, 2494080), (288, 2216960), (320, 1995264), (360, 1773568), (384, 1662720), (433, 1474560), (480, 1330176), (512, 1247040), (576, 1108480), (640, 997632), (720, 886784), (768, 831360), (866, 737280), (960, 665088), (1024, 623520), (1152, 554240), (1280, 498816), (1299, 491520), (1440, 443392), (1536, 415680), (1732, 368640), (1920, 332544), (2048, 311760), (2165, 294912), (2304, 277120), (2560, 249408), (2598, 245760), (2880, 221696), (3072, 207840), (3464, 184320), (3840, 166272), (3897, 163840), (4096, 155880), (4330, 147456), (4608, 138560), (5120, 124704), (5196, 122880), (5760, 110848), (6144, 103920), (6495, 98304), (6928, 92160), (7680, 83136), (7794, 81920), (8192, 77940), (8660, 73728), (9216, 69280), (10240, 62352), (10392, 61440), (11520, 55424), (12288, 51960), (12990, 49152), (13856, 46080), (15360, 41568), (15588, 40960), (16384, 38970), (17320, 36864), (18432, 34640), (19485, 32768), (20480, 31176), (20784, 30720), (23040, 27712), (24576, 25980)]