68248320

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2570

約数の個数: 144

約数和(自身を含む): 249204480

約数和(自身を除く): 180956160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2539, 2688, 3360, 3840, 4480, 5078, 5376, 6720, 7617, 8960, 10156, 12695, 13440, 15234, 17773, 20312, 25390, 26880, 30468, 35546, 38085, 40624, 50780, 53319, 60936, 71092, 76170, 81248, 88865, 101560, 106638, 121872, 142184, 152340, 162496, 177730, 203120, 213276, 243744, 266595, 284368, 304680, 324992, 355460, 406240, 426552, 487488, 533190, 568736, 609360, 649984, 710920, 812480, 853104, 974976, 1066380, 1137472, 1218720, 1421840, 1624960, 1706208, 1949952, 2132760, 2274944, 2437440, 2843680, 3249920, 3412416, 4265520, 4549888, 4874880, 5687360, 6824832, 8531040, 9749760, 11374720, 13649664, 17062080, 22749440, 34124160, 68248320]

約数ペア:

[(1, 68248320), (2, 34124160), (3, 22749440), (4, 17062080), (5, 13649664), (6, 11374720), (7, 9749760), (8, 8531040), (10, 6824832), (12, 5687360), (14, 4874880), (15, 4549888), (16, 4265520), (20, 3412416), (21, 3249920), (24, 2843680), (28, 2437440), (30, 2274944), (32, 2132760), (35, 1949952), (40, 1706208), (42, 1624960), (48, 1421840), (56, 1218720), (60, 1137472), (64, 1066380), (70, 974976), (80, 853104), (84, 812480), (96, 710920), (105, 649984), (112, 609360), (120, 568736), (128, 533190), (140, 487488), (160, 426552), (168, 406240), (192, 355460), (210, 324992), (224, 304680), (240, 284368), (256, 266595), (280, 243744), (320, 213276), (336, 203120), (384, 177730), (420, 162496), (448, 152340), (480, 142184), (560, 121872), (640, 106638), (672, 101560), (768, 88865), (840, 81248), (896, 76170), (960, 71092), (1120, 60936), (1280, 53319), (1344, 50780), (1680, 40624), (1792, 38085), (1920, 35546), (2240, 30468), (2539, 26880), (2688, 25390), (3360, 20312), (3840, 17773), (4480, 15234), (5078, 13440), (5376, 12695), (6720, 10156), (7617, 8960)]