254480640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{66271}}^1$

素因数の和:66295

約数の個数: 72

約数和(自身を含む): 812759808

約数和(自身を除く): 558279168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 66271, 132542, 198813, 265084, 331355, 397626, 530168, 662710, 795252, 994065, 1060336, 1325420, 1590504, 1988130, 2120672, 2650840, 3181008, 3976260, 4241344, 5301680, 6362016, 7952520, 8482688, 10603360, 12724032, 15905040, 16965376, 21206720, 25448064, 31810080, 42413440, 50896128, 63620160, 84826880, 127240320, 254480640]

約数ペア:

[(1, 254480640), (2, 127240320), (3, 84826880), (4, 63620160), (5, 50896128), (6, 42413440), (8, 31810080), (10, 25448064), (12, 21206720), (15, 16965376), (16, 15905040), (20, 12724032), (24, 10603360), (30, 8482688), (32, 7952520), (40, 6362016), (48, 5301680), (60, 4241344), (64, 3976260), (80, 3181008), (96, 2650840), (120, 2120672), (128, 1988130), (160, 1590504), (192, 1325420), (240, 1060336), (256, 994065), (320, 795252), (384, 662710), (480, 530168), (640, 397626), (768, 331355), (960, 265084), (1280, 198813), (1920, 132542), (3840, 66271)]