160356800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 421794432

約数和(自身を除く): 261437632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 53, 61, 62, 64, 80, 100, 106, 122, 124, 155, 160, 200, 212, 244, 248, 265, 305, 310, 320, 400, 424, 488, 496, 530, 610, 620, 775, 800, 848, 976, 992, 1060, 1220, 1240, 1325, 1525, 1550, 1600, 1643, 1696, 1891, 1952, 1984, 2120, 2440, 2480, 2650, 3050, 3100, 3233, 3286, 3392, 3782, 3904, 4240, 4880, 4960, 5300, 6100, 6200, 6466, 6572, 7564, 8215, 8480, 9455, 9760, 9920, 10600, 12200, 12400, 12932, 13144, 15128, 16165, 16430, 16960, 18910, 19520, 21200, 24400, 24800, 25864, 26288, 30256, 32330, 32860, 37820, 41075, 42400, 47275, 48800, 49600, 51728, 52576, 60512, 64660, 65720, 75640, 80825, 82150, 84800, 94550, 97600, 100223, 103456, 105152, 121024, 129320, 131440, 151280, 161650, 164300, 189100, 200446, 206912, 258640, 262880, 302560, 323300, 328600, 378200, 400892, 501115, 517280, 525760, 605120, 646600, 657200, 756400, 801784, 1002230, 1034560, 1293200, 1314400, 1512800, 1603568, 2004460, 2505575, 2586400, 2628800, 3025600, 3207136, 4008920, 5011150, 5172800, 6414272, 8017840, 10022300, 16035680, 20044600, 32071360, 40089200, 80178400, 160356800]

約数ペア:

[(1, 160356800), (2, 80178400), (4, 40089200), (5, 32071360), (8, 20044600), (10, 16035680), (16, 10022300), (20, 8017840), (25, 6414272), (31, 5172800), (32, 5011150), (40, 4008920), (50, 3207136), (53, 3025600), (61, 2628800), (62, 2586400), (64, 2505575), (80, 2004460), (100, 1603568), (106, 1512800), (122, 1314400), (124, 1293200), (155, 1034560), (160, 1002230), (200, 801784), (212, 756400), (244, 657200), (248, 646600), (265, 605120), (305, 525760), (310, 517280), (320, 501115), (400, 400892), (424, 378200), (488, 328600), (496, 323300), (530, 302560), (610, 262880), (620, 258640), (775, 206912), (800, 200446), (848, 189100), (976, 164300), (992, 161650), (1060, 151280), (1220, 131440), (1240, 129320), (1325, 121024), (1525, 105152), (1550, 103456), (1600, 100223), (1643, 97600), (1696, 94550), (1891, 84800), (1952, 82150), (1984, 80825), (2120, 75640), (2440, 65720), (2480, 64660), (2650, 60512), (3050, 52576), (3100, 51728), (3233, 49600), (3286, 48800), (3392, 47275), (3782, 42400), (3904, 41075), (4240, 37820), (4880, 32860), (4960, 32330), (5300, 30256), (6100, 26288), (6200, 25864), (6466, 24800), (6572, 24400), (7564, 21200), (8215, 19520), (8480, 18910), (9455, 16960), (9760, 16430), (9920, 16165), (10600, 15128), (12200, 13144), (12400, 12932)]