31030720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1979}}^1$

素因数の和:2010

約数の個数: 84

約数和(自身を含む): 85999320

約数和(自身を除く): 54968600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 1979, 2240, 3136, 3920, 3958, 7840, 7916, 9895, 13853, 15680, 15832, 19790, 27706, 31664, 39580, 55412, 63328, 69265, 79160, 96971, 110824, 126656, 138530, 158320, 193942, 221648, 277060, 316640, 387884, 443296, 484855, 554120, 633280, 775768, 886592, 969710, 1108240, 1551536, 1939420, 2216480, 3103072, 3878840, 4432960, 6206144, 7757680, 15515360, 31030720]

約数ペア:

[(1, 31030720), (2, 15515360), (4, 7757680), (5, 6206144), (7, 4432960), (8, 3878840), (10, 3103072), (14, 2216480), (16, 1939420), (20, 1551536), (28, 1108240), (32, 969710), (35, 886592), (40, 775768), (49, 633280), (56, 554120), (64, 484855), (70, 443296), (80, 387884), (98, 316640), (112, 277060), (140, 221648), (160, 193942), (196, 158320), (224, 138530), (245, 126656), (280, 110824), (320, 96971), (392, 79160), (448, 69265), (490, 63328), (560, 55412), (784, 39580), (980, 31664), (1120, 27706), (1568, 19790), (1960, 15832), (1979, 15680), (2240, 13853), (3136, 9895), (3920, 7916), (3958, 7840)]