205662720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 160

約数和(自身を含む): 669778560

約数和(自身を除く): 464115840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 439, 480, 488, 512, 610, 640, 732, 768, 878, 915, 960, 976, 1220, 1280, 1317, 1464, 1536, 1756, 1830, 1920, 1952, 2195, 2440, 2560, 2634, 2928, 3512, 3660, 3840, 3904, 4390, 4880, 5268, 5856, 6585, 7024, 7320, 7680, 7808, 8780, 9760, 10536, 11712, 13170, 14048, 14640, 15616, 17560, 19520, 21072, 23424, 26340, 26779, 28096, 29280, 31232, 35120, 39040, 42144, 46848, 52680, 53558, 56192, 58560, 70240, 78080, 80337, 84288, 93696, 105360, 107116, 112384, 117120, 133895, 140480, 156160, 160674, 168576, 210720, 214232, 224768, 234240, 267790, 280960, 321348, 337152, 401685, 421440, 428464, 468480, 535580, 561920, 642696, 674304, 803370, 842880, 856928, 1071160, 1123840, 1285392, 1606740, 1685760, 1713856, 2142320, 2570784, 3213480, 3371520, 3427712, 4284640, 5141568, 6426960, 6855424, 8569280, 10283136, 12853920, 13710848, 17138560, 20566272, 25707840, 34277120, 41132544, 51415680, 68554240, 102831360, 205662720]

約数ペア:

[(1, 205662720), (2, 102831360), (3, 68554240), (4, 51415680), (5, 41132544), (6, 34277120), (8, 25707840), (10, 20566272), (12, 17138560), (15, 13710848), (16, 12853920), (20, 10283136), (24, 8569280), (30, 6855424), (32, 6426960), (40, 5141568), (48, 4284640), (60, 3427712), (61, 3371520), (64, 3213480), (80, 2570784), (96, 2142320), (120, 1713856), (122, 1685760), (128, 1606740), (160, 1285392), (183, 1123840), (192, 1071160), (240, 856928), (244, 842880), (256, 803370), (305, 674304), (320, 642696), (366, 561920), (384, 535580), (439, 468480), (480, 428464), (488, 421440), (512, 401685), (610, 337152), (640, 321348), (732, 280960), (768, 267790), (878, 234240), (915, 224768), (960, 214232), (976, 210720), (1220, 168576), (1280, 160674), (1317, 156160), (1464, 140480), (1536, 133895), (1756, 117120), (1830, 112384), (1920, 107116), (1952, 105360), (2195, 93696), (2440, 84288), (2560, 80337), (2634, 78080), (2928, 70240), (3512, 58560), (3660, 56192), (3840, 53558), (3904, 52680), (4390, 46848), (4880, 42144), (5268, 39040), (5856, 35120), (6585, 31232), (7024, 29280), (7320, 28096), (7680, 26779), (7808, 26340), (8780, 23424), (9760, 21072), (10536, 19520), (11712, 17560), (13170, 15616), (14048, 14640)]