1269968640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{330721}}^1$

素因数の和:330745

約数の個数: 72

約数和(自身を含む): 4055974608

約数和(自身を除く): 2786005968

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, 330721, 661442, 992163, 1322884, 1653605, 1984326, 2645768, 3307210, 3968652, 4960815, 5291536, 6614420, 7937304, 9921630, 10583072, 13228840, 15874608, 19843260, 21166144, 26457680, 31749216, 39686520, 42332288, 52915360, 63498432, 79373040, 84664576, 105830720, 126996864, 158746080, 211661440, 253993728, 317492160, 423322880, 634984320, 1269968640]

約数ペア:

[(1, 1269968640), (2, 634984320), (3, 423322880), (4, 317492160), (5, 253993728), (6, 211661440), (8, 158746080), (10, 126996864), (12, 105830720), (15, 84664576), (16, 79373040), (20, 63498432), (24, 52915360), (30, 42332288), (32, 39686520), (40, 31749216), (48, 26457680), (60, 21166144), (64, 19843260), (80, 15874608), (96, 13228840), (120, 10583072), (128, 9921630), (160, 7937304), (192, 6614420), (240, 5291536), (256, 4960815), (320, 3968652), (384, 3307210), (480, 2645768), (640, 1984326), (768, 1653605), (960, 1322884), (1280, 992163), (1920, 661442), (3840, 330721)]