72485420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22511}}^1$

素因数の和:22550

約数の個数: 48

約数和(自身を含む): 181536768

約数和(自身を除く): 109051348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 22511, 45022, 90044, 112555, 157577, 225110, 315154, 450220, 517753, 630308, 787885, 1035506, 1575770, 2071012, 2588765, 3151540, 3624271, 5177530, 7248542, 10355060, 14497084, 18121355, 36242710, 72485420]

約数ペア:

[(1, 72485420), (2, 36242710), (4, 18121355), (5, 14497084), (7, 10355060), (10, 7248542), (14, 5177530), (20, 3624271), (23, 3151540), (28, 2588765), (35, 2071012), (46, 1575770), (70, 1035506), (92, 787885), (115, 630308), (140, 517753), (161, 450220), (230, 315154), (322, 225110), (460, 157577), (644, 112555), (805, 90044), (1610, 45022), (3220, 22511)]