31480120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112429}}^1$

素因数の和:112447

約数の個数: 32

約数和(自身を含む): 80949600

約数和(自身を除く): 49469480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112429, 224858, 449716, 562145, 787003, 899432, 1124290, 1574006, 2248580, 3148012, 3935015, 4497160, 6296024, 7870030, 15740060, 31480120]

約数ペア:

[(1, 31480120), (2, 15740060), (4, 7870030), (5, 6296024), (7, 4497160), (8, 3935015), (10, 3148012), (14, 2248580), (20, 1574006), (28, 1124290), (35, 899432), (40, 787003), (56, 562145), (70, 449716), (140, 224858), (280, 112429)]