31947280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 78369984

約数和(自身を除く): 46422704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 251, 296, 344, 370, 430, 502, 592, 688, 740, 860, 1004, 1255, 1480, 1591, 1720, 2008, 2510, 2960, 3182, 3440, 4016, 5020, 6364, 7955, 9287, 10040, 10793, 12728, 15910, 18574, 20080, 21586, 25456, 31820, 37148, 43172, 46435, 53965, 63640, 74296, 86344, 92870, 107930, 127280, 148592, 172688, 185740, 215860, 371480, 399341, 431720, 742960, 798682, 863440, 1597364, 1996705, 3194728, 3993410, 6389456, 7986820, 15973640, 31947280]

約数ペア:

[(1, 31947280), (2, 15973640), (4, 7986820), (5, 6389456), (8, 3993410), (10, 3194728), (16, 1996705), (20, 1597364), (37, 863440), (40, 798682), (43, 742960), (74, 431720), (80, 399341), (86, 371480), (148, 215860), (172, 185740), (185, 172688), (215, 148592), (251, 127280), (296, 107930), (344, 92870), (370, 86344), (430, 74296), (502, 63640), (592, 53965), (688, 46435), (740, 43172), (860, 37148), (1004, 31820), (1255, 25456), (1480, 21586), (1591, 20080), (1720, 18574), (2008, 15910), (2510, 12728), (2960, 10793), (3182, 10040), (3440, 9287), (4016, 7955), (5020, 6364)]