68745820

素因数分解:

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

素因数の和:132

約数の個数: 108

約数和(自身を含む): 174595176

約数和(自身を除く): 105849356

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, 1849, 1859, 1892, 2236, 2365, 2795, 2860, 3380, 3698, 3718, 4730, 5590, 6149, 7267, 7396, 7436, 9245, 9295, 9460, 11180, 12298, 14534, 18490, 18590, 20339, 24037, 24596, 29068, 30745, 36335, 36980, 37180, 40678, 48074, 61490, 72670, 79937, 81356, 96148, 101695, 120185, 122980, 145340, 159874, 203390, 240370, 264407, 312481, 319748, 399685, 406780, 480740, 528814, 624962, 799370, 1057628, 1249924, 1322035, 1562405, 1598740, 2644070, 3124810, 3437291, 5288140, 6249620, 6874582, 13749164, 17186455, 34372910, 68745820]

約数ペア:

[(1, 68745820), (2, 34372910), (4, 17186455), (5, 13749164), (10, 6874582), (11, 6249620), (13, 5288140), (20, 3437291), (22, 3124810), (26, 2644070), (43, 1598740), (44, 1562405), (52, 1322035), (55, 1249924), (65, 1057628), (86, 799370), (110, 624962), (130, 528814), (143, 480740), (169, 406780), (172, 399685), (215, 319748), (220, 312481), (260, 264407), (286, 240370), (338, 203390), (430, 159874), (473, 145340), (559, 122980), (572, 120185), (676, 101695), (715, 96148), (845, 81356), (860, 79937), (946, 72670), (1118, 61490), (1430, 48074), (1690, 40678), (1849, 37180), (1859, 36980), (1892, 36335), (2236, 30745), (2365, 29068), (2795, 24596), (2860, 24037), (3380, 20339), (3698, 18590), (3718, 18490), (4730, 14534), (5590, 12298), (6149, 11180), (7267, 9460), (7396, 9295), (7436, 9245)]