201920640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{105167}}^1$

素因数の和:105189

約数の個数: 64

約数和(自身を含む): 643628160

約数和(自身を除く): 441707520

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, 320, 384, 480, 640, 960, 1920, 105167, 210334, 315501, 420668, 525835, 631002, 841336, 1051670, 1262004, 1577505, 1682672, 2103340, 2524008, 3155010, 3365344, 4206680, 5048016, 6310020, 6730688, 8413360, 10096032, 12620040, 13461376, 16826720, 20192064, 25240080, 33653440, 40384128, 50480160, 67306880, 100960320, 201920640]

約数ペア:

[(1, 201920640), (2, 100960320), (3, 67306880), (4, 50480160), (5, 40384128), (6, 33653440), (8, 25240080), (10, 20192064), (12, 16826720), (15, 13461376), (16, 12620040), (20, 10096032), (24, 8413360), (30, 6730688), (32, 6310020), (40, 5048016), (48, 4206680), (60, 3365344), (64, 3155010), (80, 2524008), (96, 2103340), (120, 1682672), (128, 1577505), (160, 1262004), (192, 1051670), (240, 841336), (320, 631002), (384, 525835), (480, 420668), (640, 315501), (960, 210334), (1920, 105167)]