2018777985

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1399}}^1$

素因数の和:1932

約数の個数: 80

約数和(自身を含む): 4146912000

約数和(自身を除く): 2128134015

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 509, 567, 945, 1399, 1527, 2545, 2835, 3563, 4197, 4581, 6995, 7635, 9793, 10689, 12591, 13743, 17815, 20985, 22905, 29379, 32067, 37773, 41229, 48965, 53445, 62955, 68715, 88137, 96201, 113319, 146895, 160335, 188865, 206145, 264411, 288603, 440685, 481005, 566595, 712091, 793233, 1322055, 1443015, 2136273, 3560455, 3966165, 4984637, 6408819, 10681365, 14953911, 19226457, 24923185, 32044095, 44861733, 57679371, 74769555, 96132285, 134585199, 224308665, 288396855, 403755597, 672925995, 2018777985]

約数ペア:

[(1, 2018777985), (3, 672925995), (5, 403755597), (7, 288396855), (9, 224308665), (15, 134585199), (21, 96132285), (27, 74769555), (35, 57679371), (45, 44861733), (63, 32044095), (81, 24923185), (105, 19226457), (135, 14953911), (189, 10681365), (315, 6408819), (405, 4984637), (509, 3966165), (567, 3560455), (945, 2136273), (1399, 1443015), (1527, 1322055), (2545, 793233), (2835, 712091), (3563, 566595), (4197, 481005), (4581, 440685), (6995, 288603), (7635, 264411), (9793, 206145), (10689, 188865), (12591, 160335), (13743, 146895), (17815, 113319), (20985, 96201), (22905, 88137), (29379, 68715), (32067, 62955), (37773, 53445), (41229, 48965)]