80457685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 53911595

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 133, 187, 209, 323, 385, 595, 647, 665, 935, 1045, 1309, 1463, 1615, 2261, 3235, 3553, 4529, 6545, 7117, 7315, 10999, 11305, 12293, 17765, 22645, 24871, 35585, 49819, 54995, 61465, 76993, 86051, 120989, 124355, 135223, 208981, 249095, 384965, 430255, 604945, 676115, 846923, 946561, 1044905, 1462867, 2298791, 4234615, 4732805, 7314335, 11493955, 16091537, 80457685]

約数ペア:

[(1, 80457685), (5, 16091537), (7, 11493955), (11, 7314335), (17, 4732805), (19, 4234615), (35, 2298791), (55, 1462867), (77, 1044905), (85, 946561), (95, 846923), (119, 676115), (133, 604945), (187, 430255), (209, 384965), (323, 249095), (385, 208981), (595, 135223), (647, 124355), (665, 120989), (935, 86051), (1045, 76993), (1309, 61465), (1463, 54995), (1615, 49819), (2261, 35585), (3235, 24871), (3553, 22645), (4529, 17765), (6545, 12293), (7117, 11305), (7315, 10999)]