1649021440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1954

約数の個数: 160

約数和(自身を含む): 4454714880

約数和(自身を除く): 2805693440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1889, 1984, 2480, 2560, 2728, 2816, 3410, 3520, 3778, 3968, 4960, 5456, 5632, 6820, 7040, 7556, 7936, 9445, 9920, 10912, 13640, 14080, 15112, 15872, 18890, 19840, 20779, 21824, 27280, 28160, 30224, 37780, 39680, 41558, 43648, 54560, 58559, 60448, 75560, 79360, 83116, 87296, 103895, 109120, 117118, 120896, 151120, 166232, 174592, 207790, 218240, 234236, 241792, 292795, 302240, 332464, 415580, 436480, 468472, 483584, 585590, 604480, 644149, 664928, 831160, 872960, 936944, 967168, 1171180, 1208960, 1288298, 1329856, 1662320, 1873888, 2342360, 2417920, 2576596, 2659712, 3220745, 3324640, 3747776, 4684720, 4835840, 5153192, 5319424, 6441490, 6649280, 7495552, 9369440, 10306384, 10638848, 12882980, 13298560, 14991104, 18738880, 20612768, 25765960, 26597120, 29982208, 37477760, 41225536, 51531920, 53194240, 74955520, 82451072, 103063840, 149911040, 164902144, 206127680, 329804288, 412255360, 824510720, 1649021440]

約数ペア:

[(1, 1649021440), (2, 824510720), (4, 412255360), (5, 329804288), (8, 206127680), (10, 164902144), (11, 149911040), (16, 103063840), (20, 82451072), (22, 74955520), (31, 53194240), (32, 51531920), (40, 41225536), (44, 37477760), (55, 29982208), (62, 26597120), (64, 25765960), (80, 20612768), (88, 18738880), (110, 14991104), (124, 13298560), (128, 12882980), (155, 10638848), (160, 10306384), (176, 9369440), (220, 7495552), (248, 6649280), (256, 6441490), (310, 5319424), (320, 5153192), (341, 4835840), (352, 4684720), (440, 3747776), (496, 3324640), (512, 3220745), (620, 2659712), (640, 2576596), (682, 2417920), (704, 2342360), (880, 1873888), (992, 1662320), (1240, 1329856), (1280, 1288298), (1364, 1208960), (1408, 1171180), (1705, 967168), (1760, 936944), (1889, 872960), (1984, 831160), (2480, 664928), (2560, 644149), (2728, 604480), (2816, 585590), (3410, 483584), (3520, 468472), (3778, 436480), (3968, 415580), (4960, 332464), (5456, 302240), (5632, 292795), (6820, 241792), (7040, 234236), (7556, 218240), (7936, 207790), (9445, 174592), (9920, 166232), (10912, 151120), (13640, 120896), (14080, 117118), (15112, 109120), (15872, 103895), (18890, 87296), (19840, 83116), (20779, 79360), (21824, 75560), (27280, 60448), (28160, 58559), (30224, 54560), (37780, 43648), (39680, 41558)]