39905280

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{433}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 138623940

約数和(自身を除く): 98718660

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, 4330, 4608, 5120, 5196, 5760, 6144, 6495, 6928, 7680, 7794, 8660, 9216, 10240, 10392, 11520, 12990, 13856, 15360, 15588, 17320, 18432, 19485, 20784, 23040, 25980, 27712, 30720, 31176, 34640, 38970, 41568, 46080, 51960, 55424, 62352, 69280, 77940, 83136, 92160, 103920, 110848, 124704, 138560, 155880, 166272, 207840, 221696, 249408, 277120, 311760, 332544, 415680, 443392, 498816, 554240, 623520, 665088, 831360, 886784, 997632, 1108480, 1247040, 1330176, 1662720, 1995264, 2216960, 2494080, 2660352, 3325440, 3990528, 4433920, 4988160, 6650880, 7981056, 9976320, 13301760, 19952640, 39905280]

約数ペア:

[(1, 39905280), (2, 19952640), (3, 13301760), (4, 9976320), (5, 7981056), (6, 6650880), (8, 4988160), (9, 4433920), (10, 3990528), (12, 3325440), (15, 2660352), (16, 2494080), (18, 2216960), (20, 1995264), (24, 1662720), (30, 1330176), (32, 1247040), (36, 1108480), (40, 997632), (45, 886784), (48, 831360), (60, 665088), (64, 623520), (72, 554240), (80, 498816), (90, 443392), (96, 415680), (120, 332544), (128, 311760), (144, 277120), (160, 249408), (180, 221696), (192, 207840), (240, 166272), (256, 155880), (288, 138560), (320, 124704), (360, 110848), (384, 103920), (433, 92160), (480, 83136), (512, 77940), (576, 69280), (640, 62352), (720, 55424), (768, 51960), (866, 46080), (960, 41568), (1024, 38970), (1152, 34640), (1280, 31176), (1299, 30720), (1440, 27712), (1536, 25980), (1732, 23040), (1920, 20784), (2048, 19485), (2165, 18432), (2304, 17320), (2560, 15588), (2598, 15360), (2880, 13856), (3072, 12990), (3464, 11520), (3840, 10392), (3897, 10240), (4330, 9216), (4608, 8660), (5120, 7794), (5196, 7680), (5760, 6928), (6144, 6495)]