256429440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{44519}}^1$

素因数の和:44544

約数の個数: 96

約数和(自身を含む): 885502800

約数和(自身を除く): 629073360

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, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 44519, 89038, 133557, 178076, 222595, 267114, 356152, 400671, 445190, 534228, 667785, 712304, 801342, 890380, 1068456, 1335570, 1424608, 1602684, 1780760, 2003355, 2136912, 2671140, 2849216, 3205368, 3561520, 4006710, 4273824, 5342280, 5698432, 6410736, 7123040, 8013420, 8547648, 10684560, 12821472, 14246080, 16026840, 17095296, 21369120, 25642944, 28492160, 32053680, 42738240, 51285888, 64107360, 85476480, 128214720, 256429440]

約数ペア:

[(1, 256429440), (2, 128214720), (3, 85476480), (4, 64107360), (5, 51285888), (6, 42738240), (8, 32053680), (9, 28492160), (10, 25642944), (12, 21369120), (15, 17095296), (16, 16026840), (18, 14246080), (20, 12821472), (24, 10684560), (30, 8547648), (32, 8013420), (36, 7123040), (40, 6410736), (45, 5698432), (48, 5342280), (60, 4273824), (64, 4006710), (72, 3561520), (80, 3205368), (90, 2849216), (96, 2671140), (120, 2136912), (128, 2003355), (144, 1780760), (160, 1602684), (180, 1424608), (192, 1335570), (240, 1068456), (288, 890380), (320, 801342), (360, 712304), (384, 667785), (480, 534228), (576, 445190), (640, 400671), (720, 356152), (960, 267114), (1152, 222595), (1440, 178076), (1920, 133557), (2880, 89038), (5760, 44519)]