1728957440

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2590

約数の個数: 176

約数和(自身を含む): 4991404800

約数和(自身を除く): 3262447360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 760, 896, 1024, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2539, 2560, 2660, 3040, 3584, 4256, 4480, 4864, 5078, 5120, 5320, 6080, 7168, 8512, 8960, 9728, 10156, 10640, 12160, 12695, 17024, 17773, 17920, 19456, 20312, 21280, 24320, 25390, 34048, 35546, 35840, 40624, 42560, 48241, 48640, 50780, 68096, 71092, 81248, 85120, 88865, 96482, 97280, 101560, 136192, 142184, 162496, 170240, 177730, 192964, 203120, 241205, 284368, 324992, 337687, 340480, 355460, 385928, 406240, 482410, 568736, 649984, 675374, 680960, 710920, 771856, 812480, 964820, 1137472, 1299968, 1350748, 1421840, 1543712, 1624960, 1688435, 1929640, 2274944, 2599936, 2701496, 2843680, 3087424, 3249920, 3376870, 3859280, 4549888, 5402992, 5687360, 6174848, 6499840, 6753740, 7718560, 9099776, 10805984, 11374720, 12349696, 12999680, 13507480, 15437120, 18199552, 21611968, 22749440, 24699392, 27014960, 30874240, 43223936, 45498880, 49398784, 54029920, 61748480, 86447872, 90997760, 108059840, 123496960, 172895744, 216119680, 246993920, 345791488, 432239360, 864478720, 1728957440]

約数ペア:

[(1, 1728957440), (2, 864478720), (4, 432239360), (5, 345791488), (7, 246993920), (8, 216119680), (10, 172895744), (14, 123496960), (16, 108059840), (19, 90997760), (20, 86447872), (28, 61748480), (32, 54029920), (35, 49398784), (38, 45498880), (40, 43223936), (56, 30874240), (64, 27014960), (70, 24699392), (76, 22749440), (80, 21611968), (95, 18199552), (112, 15437120), (128, 13507480), (133, 12999680), (140, 12349696), (152, 11374720), (160, 10805984), (190, 9099776), (224, 7718560), (256, 6753740), (266, 6499840), (280, 6174848), (304, 5687360), (320, 5402992), (380, 4549888), (448, 3859280), (512, 3376870), (532, 3249920), (560, 3087424), (608, 2843680), (640, 2701496), (665, 2599936), (760, 2274944), (896, 1929640), (1024, 1688435), (1064, 1624960), (1120, 1543712), (1216, 1421840), (1280, 1350748), (1330, 1299968), (1520, 1137472), (1792, 964820), (2128, 812480), (2240, 771856), (2432, 710920), (2539, 680960), (2560, 675374), (2660, 649984), (3040, 568736), (3584, 482410), (4256, 406240), (4480, 385928), (4864, 355460), (5078, 340480), (5120, 337687), (5320, 324992), (6080, 284368), (7168, 241205), (8512, 203120), (8960, 192964), (9728, 177730), (10156, 170240), (10640, 162496), (12160, 142184), (12695, 136192), (17024, 101560), (17773, 97280), (17920, 96482), (19456, 88865), (20312, 85120), (21280, 81248), (24320, 71092), (25390, 68096), (34048, 50780), (35546, 48640), (35840, 48241), (40624, 42560)]