64441720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230149}}^1$

素因数の和:230167

約数の個数: 32

約数和(自身を含む): 165708000

約数和(自身を除く): 101266280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230149, 460298, 920596, 1150745, 1611043, 1841192, 2301490, 3222086, 4602980, 6444172, 8055215, 9205960, 12888344, 16110430, 32220860, 64441720]

約数ペア:

[(1, 64441720), (2, 32220860), (4, 16110430), (5, 12888344), (7, 9205960), (8, 8055215), (10, 6444172), (14, 4602980), (20, 3222086), (28, 2301490), (35, 1841192), (40, 1611043), (56, 1150745), (70, 920596), (140, 460298), (280, 230149)]