1606861840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1861}}^1$

素因数の和:2168

約数の個数: 80

約数和(自身を含む): 3840129216

約数和(自身を除く): 2233267376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 251, 344, 430, 502, 688, 860, 1004, 1255, 1720, 1861, 2008, 2510, 3440, 3722, 4016, 5020, 7444, 9305, 10040, 10793, 14888, 18610, 20080, 21586, 29776, 37220, 43172, 53965, 74440, 80023, 86344, 107930, 148880, 160046, 172688, 215860, 320092, 400115, 431720, 467111, 640184, 800230, 863440, 934222, 1280368, 1600460, 1868444, 2335555, 3200920, 3736888, 4671110, 6401840, 7473776, 9342220, 18684440, 20085773, 37368880, 40171546, 80343092, 100428865, 160686184, 200857730, 321372368, 401715460, 803430920, 1606861840]

約数ペア:

[(1, 1606861840), (2, 803430920), (4, 401715460), (5, 321372368), (8, 200857730), (10, 160686184), (16, 100428865), (20, 80343092), (40, 40171546), (43, 37368880), (80, 20085773), (86, 18684440), (172, 9342220), (215, 7473776), (251, 6401840), (344, 4671110), (430, 3736888), (502, 3200920), (688, 2335555), (860, 1868444), (1004, 1600460), (1255, 1280368), (1720, 934222), (1861, 863440), (2008, 800230), (2510, 640184), (3440, 467111), (3722, 431720), (4016, 400115), (5020, 320092), (7444, 215860), (9305, 172688), (10040, 160046), (10793, 148880), (14888, 107930), (18610, 86344), (20080, 80023), (21586, 74440), (29776, 53965), (37220, 43172)]