2540238372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:978

約数の個数: 144

約数和(自身を含む): 7499436672

約数和(自身を除く): 4959198300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 257, 366, 427, 514, 549, 643, 732, 771, 854, 1028, 1098, 1281, 1286, 1542, 1708, 1799, 1929, 2196, 2313, 2562, 2572, 3084, 3598, 3843, 3858, 4501, 4626, 5124, 5397, 5787, 7196, 7686, 7716, 9002, 9252, 10794, 11574, 13503, 15372, 15677, 16191, 18004, 21588, 23148, 27006, 31354, 32382, 39223, 40509, 47031, 54012, 62708, 64764, 78446, 81018, 94062, 109739, 117669, 141093, 156892, 162036, 165251, 188124, 219478, 235338, 274561, 282186, 329217, 330502, 353007, 438956, 470676, 495753, 549122, 564372, 658434, 661004, 706014, 823683, 987651, 991506, 1098244, 1156757, 1316868, 1412028, 1487259, 1647366, 1975302, 1983012, 2313514, 2471049, 2974518, 3294732, 3470271, 3950604, 4627028, 4942098, 5949036, 6940542, 9884196, 10080311, 10410813, 13881084, 20160622, 20821626, 30240933, 40321244, 41643252, 60481866, 70562177, 90722799, 120963732, 141124354, 181445598, 211686531, 282248708, 362891196, 423373062, 635059593, 846746124, 1270119186, 2540238372]

約数ペア:

[(1, 2540238372), (2, 1270119186), (3, 846746124), (4, 635059593), (6, 423373062), (7, 362891196), (9, 282248708), (12, 211686531), (14, 181445598), (18, 141124354), (21, 120963732), (28, 90722799), (36, 70562177), (42, 60481866), (61, 41643252), (63, 40321244), (84, 30240933), (122, 20821626), (126, 20160622), (183, 13881084), (244, 10410813), (252, 10080311), (257, 9884196), (366, 6940542), (427, 5949036), (514, 4942098), (549, 4627028), (643, 3950604), (732, 3470271), (771, 3294732), (854, 2974518), (1028, 2471049), (1098, 2313514), (1281, 1983012), (1286, 1975302), (1542, 1647366), (1708, 1487259), (1799, 1412028), (1929, 1316868), (2196, 1156757), (2313, 1098244), (2562, 991506), (2572, 987651), (3084, 823683), (3598, 706014), (3843, 661004), (3858, 658434), (4501, 564372), (4626, 549122), (5124, 495753), (5397, 470676), (5787, 438956), (7196, 353007), (7686, 330502), (7716, 329217), (9002, 282186), (9252, 274561), (10794, 235338), (11574, 219478), (13503, 188124), (15372, 165251), (15677, 162036), (16191, 156892), (18004, 141093), (21588, 117669), (23148, 109739), (27006, 94062), (31354, 81018), (32382, 78446), (39223, 64764), (40509, 62708), (47031, 54012)]