73172120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{261329}}^1$

素因数の和:261347

約数の個数: 32

約数和(自身を含む): 188157600

約数和(自身を除く): 114985480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 261329, 522658, 1045316, 1306645, 1829303, 2090632, 2613290, 3658606, 5226580, 7317212, 9146515, 10453160, 14634424, 18293030, 36586060, 73172120]

約数ペア:

[(1, 73172120), (2, 36586060), (4, 18293030), (5, 14634424), (7, 10453160), (8, 9146515), (10, 7317212), (14, 5226580), (20, 3658606), (28, 2613290), (35, 2090632), (40, 1829303), (56, 1306645), (70, 1045316), (140, 522658), (280, 261329)]