20168920320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{63281}}^1$

素因数の和:63388

約数の個数: 144

約数和(自身を含む): 65191597632

約数和(自身を除く): 45022677312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 480, 498, 640, 664, 768, 830, 960, 996, 1245, 1280, 1328, 1660, 1920, 1992, 2490, 2656, 3320, 3840, 3984, 4980, 5312, 6640, 7968, 9960, 10624, 13280, 15936, 19920, 21248, 26560, 31872, 39840, 53120, 63281, 63744, 79680, 106240, 126562, 159360, 189843, 253124, 316405, 318720, 379686, 506248, 632810, 759372, 949215, 1012496, 1265620, 1518744, 1898430, 2024992, 2531240, 3037488, 3796860, 4049984, 5062480, 5252323, 6074976, 7593720, 8099968, 10124960, 10504646, 12149952, 15187440, 15756969, 16199936, 20249920, 21009292, 24299904, 26261615, 30374880, 31513938, 40499840, 42018584, 48599808, 52523230, 60749760, 63027876, 78784845, 80999680, 84037168, 105046460, 121499520, 126055752, 157569690, 168074336, 210092920, 242999040, 252111504, 315139380, 336148672, 420185840, 504223008, 630278760, 672297344, 840371680, 1008446016, 1260557520, 1344594688, 1680743360, 2016892032, 2521115040, 3361486720, 4033784064, 5042230080, 6722973440, 10084460160, 20168920320]

約数ペア:

[(1, 20168920320), (2, 10084460160), (3, 6722973440), (4, 5042230080), (5, 4033784064), (6, 3361486720), (8, 2521115040), (10, 2016892032), (12, 1680743360), (15, 1344594688), (16, 1260557520), (20, 1008446016), (24, 840371680), (30, 672297344), (32, 630278760), (40, 504223008), (48, 420185840), (60, 336148672), (64, 315139380), (80, 252111504), (83, 242999040), (96, 210092920), (120, 168074336), (128, 157569690), (160, 126055752), (166, 121499520), (192, 105046460), (240, 84037168), (249, 80999680), (256, 78784845), (320, 63027876), (332, 60749760), (384, 52523230), (415, 48599808), (480, 42018584), (498, 40499840), (640, 31513938), (664, 30374880), (768, 26261615), (830, 24299904), (960, 21009292), (996, 20249920), (1245, 16199936), (1280, 15756969), (1328, 15187440), (1660, 12149952), (1920, 10504646), (1992, 10124960), (2490, 8099968), (2656, 7593720), (3320, 6074976), (3840, 5252323), (3984, 5062480), (4980, 4049984), (5312, 3796860), (6640, 3037488), (7968, 2531240), (9960, 2024992), (10624, 1898430), (13280, 1518744), (15936, 1265620), (19920, 1012496), (21248, 949215), (26560, 759372), (31872, 632810), (39840, 506248), (53120, 379686), (63281, 318720), (63744, 316405), (79680, 253124), (106240, 189843), (126562, 159360)]