1598740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 4058208

約数和(自身を除く): 2459468

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 169, 172, 215, 220, 260, 286, 338, 430, 473, 559, 572, 676, 715, 845, 860, 946, 1118, 1430, 1690, 1859, 1892, 2236, 2365, 2795, 2860, 3380, 3718, 4730, 5590, 6149, 7267, 7436, 9295, 9460, 11180, 12298, 14534, 18590, 24596, 29068, 30745, 36335, 37180, 61490, 72670, 79937, 122980, 145340, 159874, 319748, 399685, 799370, 1598740]

約数ペア:

[(1, 1598740), (2, 799370), (4, 399685), (5, 319748), (10, 159874), (11, 145340), (13, 122980), (20, 79937), (22, 72670), (26, 61490), (43, 37180), (44, 36335), (52, 30745), (55, 29068), (65, 24596), (86, 18590), (110, 14534), (130, 12298), (143, 11180), (169, 9460), (172, 9295), (215, 7436), (220, 7267), (260, 6149), (286, 5590), (338, 4730), (430, 3718), (473, 3380), (559, 2860), (572, 2795), (676, 2365), (715, 2236), (845, 1892), (860, 1859), (946, 1690), (1118, 1430)]