208419840

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{4523}}^1$

素因数の和:4554

約数の個数: 132

約数和(自身を含む): 722328984

約数和(自身を除く): 513909144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4523, 4608, 5120, 5760, 7680, 9046, 9216, 11520, 13569, 15360, 18092, 22615, 23040, 27138, 36184, 40707, 45230, 46080, 54276, 67845, 72368, 81414, 90460, 108552, 135690, 144736, 162828, 180920, 203535, 217104, 271380, 289472, 325656, 361840, 407070, 434208, 542760, 578944, 651312, 723680, 814140, 868416, 1085520, 1157888, 1302624, 1447360, 1628280, 1736832, 2171040, 2315776, 2605248, 2894720, 3256560, 3473664, 4342080, 4631552, 5210496, 5789440, 6513120, 6947328, 8684160, 10420992, 11578880, 13026240, 13894656, 17368320, 20841984, 23157760, 26052480, 34736640, 41683968, 52104960, 69473280, 104209920, 208419840]

約数ペア:

[(1, 208419840), (2, 104209920), (3, 69473280), (4, 52104960), (5, 41683968), (6, 34736640), (8, 26052480), (9, 23157760), (10, 20841984), (12, 17368320), (15, 13894656), (16, 13026240), (18, 11578880), (20, 10420992), (24, 8684160), (30, 6947328), (32, 6513120), (36, 5789440), (40, 5210496), (45, 4631552), (48, 4342080), (60, 3473664), (64, 3256560), (72, 2894720), (80, 2605248), (90, 2315776), (96, 2171040), (120, 1736832), (128, 1628280), (144, 1447360), (160, 1302624), (180, 1157888), (192, 1085520), (240, 868416), (256, 814140), (288, 723680), (320, 651312), (360, 578944), (384, 542760), (480, 434208), (512, 407070), (576, 361840), (640, 325656), (720, 289472), (768, 271380), (960, 217104), (1024, 203535), (1152, 180920), (1280, 162828), (1440, 144736), (1536, 135690), (1920, 108552), (2304, 90460), (2560, 81414), (2880, 72368), (3072, 67845), (3840, 54276), (4523, 46080), (4608, 45230), (5120, 40707), (5760, 36184), (7680, 27138), (9046, 23040), (9216, 22615), (11520, 18092), (13569, 15360)]