320713600

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 846910080

約数和(自身を除く): 526196480

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, 128, 155, 160, 200, 212, 244, 248, 265, 305, 310, 320, 400, 424, 488, 496, 530, 610, 620, 640, 775, 800, 848, 976, 992, 1060, 1220, 1240, 1325, 1525, 1550, 1600, 1643, 1696, 1891, 1952, 1984, 2120, 2440, 2480, 2650, 3050, 3100, 3200, 3233, 3286, 3392, 3782, 3904, 3968, 4240, 4880, 4960, 5300, 6100, 6200, 6466, 6572, 6784, 7564, 7808, 8215, 8480, 9455, 9760, 9920, 10600, 12200, 12400, 12932, 13144, 15128, 16165, 16430, 16960, 18910, 19520, 19840, 21200, 24400, 24800, 25864, 26288, 30256, 32330, 32860, 33920, 37820, 39040, 41075, 42400, 47275, 48800, 49600, 51728, 52576, 60512, 64660, 65720, 75640, 80825, 82150, 84800, 94550, 97600, 99200, 100223, 103456, 105152, 121024, 129320, 131440, 151280, 161650, 164300, 169600, 189100, 195200, 200446, 206912, 210304, 242048, 258640, 262880, 302560, 323300, 328600, 378200, 400892, 413824, 501115, 517280, 525760, 605120, 646600, 657200, 756400, 801784, 1002230, 1034560, 1051520, 1210240, 1293200, 1314400, 1512800, 1603568, 2004460, 2069120, 2505575, 2586400, 2628800, 3025600, 3207136, 4008920, 5011150, 5172800, 5257600, 6051200, 6414272, 8017840, 10022300, 10345600, 12828544, 16035680, 20044600, 32071360, 40089200, 64142720, 80178400, 160356800, 320713600]

約数ペア:

[(1, 320713600), (2, 160356800), (4, 80178400), (5, 64142720), (8, 40089200), (10, 32071360), (16, 20044600), (20, 16035680), (25, 12828544), (31, 10345600), (32, 10022300), (40, 8017840), (50, 6414272), (53, 6051200), (61, 5257600), (62, 5172800), (64, 5011150), (80, 4008920), (100, 3207136), (106, 3025600), (122, 2628800), (124, 2586400), (128, 2505575), (155, 2069120), (160, 2004460), (200, 1603568), (212, 1512800), (244, 1314400), (248, 1293200), (265, 1210240), (305, 1051520), (310, 1034560), (320, 1002230), (400, 801784), (424, 756400), (488, 657200), (496, 646600), (530, 605120), (610, 525760), (620, 517280), (640, 501115), (775, 413824), (800, 400892), (848, 378200), (976, 328600), (992, 323300), (1060, 302560), (1220, 262880), (1240, 258640), (1325, 242048), (1525, 210304), (1550, 206912), (1600, 200446), (1643, 195200), (1696, 189100), (1891, 169600), (1952, 164300), (1984, 161650), (2120, 151280), (2440, 131440), (2480, 129320), (2650, 121024), (3050, 105152), (3100, 103456), (3200, 100223), (3233, 99200), (3286, 97600), (3392, 94550), (3782, 84800), (3904, 82150), (3968, 80825), (4240, 75640), (4880, 65720), (4960, 64660), (5300, 60512), (6100, 52576), (6200, 51728), (6466, 49600), (6572, 48800), (6784, 47275), (7564, 42400), (7808, 41075), (8215, 39040), (8480, 37820), (9455, 33920), (9760, 32860), (9920, 32330), (10600, 30256), (12200, 26288), (12400, 25864), (12932, 24800), (13144, 24400), (15128, 21200), (16165, 19840), (16430, 19520), (16960, 18910)]