1327948800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{17291}}^1$

素因数の和:17324

約数の個数: 132

約数和(自身を含む): 4389193776

約数和(自身を除く): 3061244976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3072, 3200, 3840, 4800, 5120, 6400, 7680, 9600, 12800, 15360, 17291, 19200, 25600, 34582, 38400, 51873, 69164, 76800, 86455, 103746, 138328, 172910, 207492, 259365, 276656, 345820, 414984, 432275, 518730, 553312, 691640, 829968, 864550, 1037460, 1106624, 1296825, 1383280, 1659936, 1729100, 2074920, 2213248, 2593650, 2766560, 3319872, 3458200, 4149840, 4426496, 5187300, 5533120, 6639744, 6916400, 8299680, 8852992, 10374600, 11066240, 13279488, 13832800, 16599360, 17705984, 20749200, 22132480, 26558976, 27665600, 33198720, 41498400, 44264960, 53117952, 55331200, 66397440, 82996800, 88529920, 110662400, 132794880, 165993600, 221324800, 265589760, 331987200, 442649600, 663974400, 1327948800]

約数ペア:

[(1, 1327948800), (2, 663974400), (3, 442649600), (4, 331987200), (5, 265589760), (6, 221324800), (8, 165993600), (10, 132794880), (12, 110662400), (15, 88529920), (16, 82996800), (20, 66397440), (24, 55331200), (25, 53117952), (30, 44264960), (32, 41498400), (40, 33198720), (48, 27665600), (50, 26558976), (60, 22132480), (64, 20749200), (75, 17705984), (80, 16599360), (96, 13832800), (100, 13279488), (120, 11066240), (128, 10374600), (150, 8852992), (160, 8299680), (192, 6916400), (200, 6639744), (240, 5533120), (256, 5187300), (300, 4426496), (320, 4149840), (384, 3458200), (400, 3319872), (480, 2766560), (512, 2593650), (600, 2213248), (640, 2074920), (768, 1729100), (800, 1659936), (960, 1383280), (1024, 1296825), (1200, 1106624), (1280, 1037460), (1536, 864550), (1600, 829968), (1920, 691640), (2400, 553312), (2560, 518730), (3072, 432275), (3200, 414984), (3840, 345820), (4800, 276656), (5120, 259365), (6400, 207492), (7680, 172910), (9600, 138328), (12800, 103746), (15360, 86455), (17291, 76800), (19200, 69164), (25600, 51873), (34582, 38400)]