78754560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20509}}^1$

素因数の和:20533

約数の個数: 72

約数和(自身を含む): 251534640

約数和(自身を除く): 172780080

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, 20509, 41018, 61527, 82036, 102545, 123054, 164072, 205090, 246108, 307635, 328144, 410180, 492216, 615270, 656288, 820360, 984432, 1230540, 1312576, 1640720, 1968864, 2461080, 2625152, 3281440, 3937728, 4922160, 5250304, 6562880, 7875456, 9844320, 13125760, 15750912, 19688640, 26251520, 39377280, 78754560]

約数ペア:

[(1, 78754560), (2, 39377280), (3, 26251520), (4, 19688640), (5, 15750912), (6, 13125760), (8, 9844320), (10, 7875456), (12, 6562880), (15, 5250304), (16, 4922160), (20, 3937728), (24, 3281440), (30, 2625152), (32, 2461080), (40, 1968864), (48, 1640720), (60, 1312576), (64, 1230540), (80, 984432), (96, 820360), (120, 656288), (128, 615270), (160, 492216), (192, 410180), (240, 328144), (256, 307635), (320, 246108), (384, 205090), (480, 164072), (640, 123054), (768, 102545), (960, 82036), (1280, 61527), (1920, 41018), (3840, 20509)]