789968640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{205721}}^1$

素因数の和:205745

約数の個数: 72

約数和(自身を含む): 2522974608

約数和(自身を除く): 1733005968

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, 205721, 411442, 617163, 822884, 1028605, 1234326, 1645768, 2057210, 2468652, 3085815, 3291536, 4114420, 4937304, 6171630, 6583072, 8228840, 9874608, 12343260, 13166144, 16457680, 19749216, 24686520, 26332288, 32915360, 39498432, 49373040, 52664576, 65830720, 78996864, 98746080, 131661440, 157993728, 197492160, 263322880, 394984320, 789968640]

約数ペア:

[(1, 789968640), (2, 394984320), (3, 263322880), (4, 197492160), (5, 157993728), (6, 131661440), (8, 98746080), (10, 78996864), (12, 65830720), (15, 52664576), (16, 49373040), (20, 39498432), (24, 32915360), (30, 26332288), (32, 24686520), (40, 19749216), (48, 16457680), (60, 13166144), (64, 12343260), (80, 9874608), (96, 8228840), (120, 6583072), (128, 6171630), (160, 4937304), (192, 4114420), (240, 3291536), (256, 3085815), (320, 2468652), (384, 2057210), (480, 1645768), (640, 1234326), (768, 1028605), (960, 822884), (1280, 617163), (1920, 411442), (3840, 205721)]