256992372

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 192

約数和(自身を含む): 832921600

約数和(自身を除く): 575929228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 79, 84, 91, 108, 117, 126, 156, 158, 182, 189, 234, 237, 252, 273, 316, 331, 351, 364, 378, 468, 474, 546, 553, 662, 702, 711, 756, 819, 948, 993, 1027, 1092, 1106, 1324, 1404, 1422, 1638, 1659, 1986, 2054, 2133, 2212, 2317, 2457, 2844, 2979, 3081, 3276, 3318, 3972, 4108, 4266, 4303, 4634, 4914, 4977, 5958, 6162, 6636, 6951, 7189, 8532, 8606, 8937, 9243, 9268, 9828, 9954, 11916, 12324, 12909, 13902, 14378, 14931, 17212, 17874, 18486, 19908, 20853, 21567, 25818, 26149, 27729, 27804, 28756, 29862, 30121, 35748, 36972, 38727, 41706, 43134, 51636, 52298, 55458, 59724, 60242, 62559, 64701, 77454, 78447, 83412, 86268, 90363, 104596, 110916, 116181, 120484, 125118, 129402, 154908, 156894, 180726, 183043, 194103, 232362, 235341, 250236, 258804, 271089, 313788, 339937, 361452, 366086, 388206, 464724, 470682, 542178, 549129, 679874, 706023, 732172, 776412, 813267, 941364, 1019811, 1084356, 1098258, 1359748, 1412046, 1626534, 1647387, 2039622, 2196516, 2379559, 2824092, 3059433, 3253068, 3294774, 4079244, 4759118, 4942161, 6118866, 6589548, 7138677, 9178299, 9518236, 9884322, 12237732, 14277354, 18356598, 19768644, 21416031, 28554708, 36713196, 42832062, 64248093, 85664124, 128496186, 256992372]

約数ペア:

[(1, 256992372), (2, 128496186), (3, 85664124), (4, 64248093), (6, 42832062), (7, 36713196), (9, 28554708), (12, 21416031), (13, 19768644), (14, 18356598), (18, 14277354), (21, 12237732), (26, 9884322), (27, 9518236), (28, 9178299), (36, 7138677), (39, 6589548), (42, 6118866), (52, 4942161), (54, 4759118), (63, 4079244), (78, 3294774), (79, 3253068), (84, 3059433), (91, 2824092), (108, 2379559), (117, 2196516), (126, 2039622), (156, 1647387), (158, 1626534), (182, 1412046), (189, 1359748), (234, 1098258), (237, 1084356), (252, 1019811), (273, 941364), (316, 813267), (331, 776412), (351, 732172), (364, 706023), (378, 679874), (468, 549129), (474, 542178), (546, 470682), (553, 464724), (662, 388206), (702, 366086), (711, 361452), (756, 339937), (819, 313788), (948, 271089), (993, 258804), (1027, 250236), (1092, 235341), (1106, 232362), (1324, 194103), (1404, 183043), (1422, 180726), (1638, 156894), (1659, 154908), (1986, 129402), (2054, 125118), (2133, 120484), (2212, 116181), (2317, 110916), (2457, 104596), (2844, 90363), (2979, 86268), (3081, 83412), (3276, 78447), (3318, 77454), (3972, 64701), (4108, 62559), (4266, 60242), (4303, 59724), (4634, 55458), (4914, 52298), (4977, 51636), (5958, 43134), (6162, 41706), (6636, 38727), (6951, 36972), (7189, 35748), (8532, 30121), (8606, 29862), (8937, 28756), (9243, 27804), (9268, 27729), (9828, 26149), (9954, 25818), (11916, 21567), (12324, 20853), (12909, 19908), (13902, 18486), (14378, 17874), (14931, 17212)]